Fingercross - Revision history

Salt at 02:44, 2 October 2025

2025-10-02T02:44:08Z

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 ==Multiple Crossings==
 As mentioned in previous sections, multiple crosses can exist in a single position. Numerous variations of positions can be made so this section will not be covering all of them. This will only elaborate on the notation adjustments that can be made to account for the additional fingers in play.
 ==X-Cross Holes==

Salt at 00:51, 30 September 2025

2025-09-30T00:51:54Z

← Older revision		Revision as of 00:51, 30 September 2025
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	==References==		==References==
			[https://drive.google.com/file/d/1TlDb1H5bRnZZdswmdr07m-58yxs4Es7-/view?usp=sharing RPD Book]
	<references />		<references />

	[[Category:Tricks]]		[[Category:Tricks]]

Salt: /* History */

2025-09-29T15:20:43Z

History

← Older revision		Revision as of 15:20, 29 September 2025
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	=History=		=History=
	The early development of fingercross can be traced back to 2007-2008, when a small group of spinners began experimenting with the concept. The first documented fingercross was performed by Bajamba and later showcased by [[Freeman]], who also pioneered the first uncross trick—a backtap<ref>[https://youtu.be/iXBR5Dep37w?si=D68oS9YIlQMTey7Z Early Fingercross tricks uploaded on Freeman's alternate account]</ref>. However, the style truly entered the mainstream thanks to [[Fratleym]], who popularized the thumbcross concept early 2008<ref>[https://www.youtube.com/watch?v=_YfUSpUGjlM Thumbcross showcased by Fratleym]</ref> before performing them in the [[Pen Spinning World Tournament 2009]]. Other early adopters include [[Fire@fox]] who also used the thumbcross concept in his combos<ref>[https://www.youtube.com/watch?v=UdbZwhpRuGM Thumbcross ~~showcased~~ by ~~Fratleym~~]</ref>		The early development of fingercross can be traced back to 2007-2008, when a small group of spinners began experimenting with the concept. The first documented fingercross was performed by Bajamba and later showcased by [[Freeman]], who also pioneered the first uncross trick—a backtap<ref>[https://youtu.be/iXBR5Dep37w?si=D68oS9YIlQMTey7Z Early Fingercross tricks uploaded on Freeman's alternate account]</ref>. However, the style truly entered the mainstream thanks to [[Fratleym]], who popularized the thumbcross concept early 2008<ref>[https://www.youtube.com/watch?v=_YfUSpUGjlM Thumbcross showcased by Fratleym]</ref> before performing them in the [[Pen Spinning World Tournament 2009]]. Other early adopters include [[Fire@fox]] who also used the thumbcross concept in his combos<ref>[https://www.youtube.com/watch?v=UdbZwhpRuGM Thumbcross performed by Fire@Fox in his submission for EVE Festival 2nd ]</ref>

	Due to its high flexibility requirements, fingercross development stagnated for several years afterward, remaining a niche technique used by only a handful of spinners to add complexity to their combos. Such examples include [[Fel2fram]]'s [[Pen Spinning World Tournament 2013]], [[RPD]]'s [[Pen Spinning World Cup 2014]], as well as various collaboration submissions made by Freeman. However, progress was limited to basic moves like Cross pushes, stalls, and fingerswitches. Other notable mechanics introduced during this period are Thumbcross passes. Furthermore, [[Fire@fox]] also showcased the potential of using fingercross as a way to showcase unique visual displays<ref>[https://www.youtube.com/watch?v=ZP4l-rLqWpI Fire@Fox's Minovate 3rd Submission]</ref>		Due to its high flexibility requirements, fingercross development stagnated for several years afterward, remaining a niche technique used by only a handful of spinners to add complexity to their combos. Such examples include [[Fel2fram]]'s [[Pen Spinning World Tournament 2013]], [[RPD]]'s [[Pen Spinning World Cup 2014]], as well as various collaboration submissions made by Freeman. However, progress was limited to basic moves like Cross pushes, stalls, and fingerswitches. Other notable mechanics introduced during this period are Thumbcross passes. Furthermore, [[Fire@fox]] also showcased the potential of using fingercross as a way to showcase unique visual displays<ref>[https://www.youtube.com/watch?v=ZP4l-rLqWpI Fire@Fox's Minovate 3rd Submission]</ref>

Salt: /* X-Cross Holes */

2025-09-29T15:17:21Z

X-Cross Holes

← Older revision		Revision as of 15:17, 29 September 2025
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	While X-cross fingers are normally almost parallel, the crossed fingers can be further bent to allow a space or hole to be made between the slots below the normal cross slots. This serves as the foundation of the 2h Fingerstuck concept. 1H variations also exist with thumb typically being used to insert inside the X-cross hole. However, this application overlaps with the multiple crossings elaborated previously and thus will not be discussed extensively.		While X-cross fingers are normally almost parallel, the crossed fingers can be further bent to allow a space or hole to be made between the slots below the normal cross slots. This serves as the foundation of the 2h Fingerstuck concept. 1H variations also exist with thumb typically being used to insert inside the X-cross hole. However, this application overlaps with the multiple crossings elaborated previously and thus will not be discussed extensively.

	The idea of X-cross holes also suggests that there are 2 main ways of holding a pen in a fingercross position, either at the tips of the crossed fingers or at the base of the fingers where the hole is ~~former~~. A simple 1h application of the latter is a seasick in that slot or a fingerswitch (from the tips to the base/hole). Since such a slot is equivalent to the Fingerstuck position ~~where~~ the finger in this case is instead replaced by the pen, multipen variations and mechanics can also be explored and utilized.		The idea of X-cross holes also suggests that there are 2 main ways of holding a pen in a fingercross position, either at the tips of the crossed fingers or at the base of the fingers where the hole is formed. A simple 1h application of the latter is a seasick in that slot or a fingerswitch (from the tips to the base/hole). Since such a slot is equivalent to the Fingerstuck position (the finger in this case is instead replaced by the pen), multipen variations and mechanics can also be explored and utilized.


	=Applications of Fingercross in other areas=		=Applications of Fingercross in other areas=

Salt at 09:11, 29 September 2025

2025-09-29T09:11:04Z

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			[[File:FC.png\|thumb\|200px\|Saltient performs a Fingercross trick]]

	Fingercross (FC) describes a position where 2 or more fingers are crossed or overlapping. While a subcategory of FC involving the thumb is often referred to as Thumbcross, the article will use the term “Fingercross” to serve as the umbrella term for all the variations.		Fingercross (FC) describes a position where 2 or more fingers are crossed or overlapping. While a subcategory of FC involving the thumb is often referred to as Thumbcross, the article will use the term “Fingercross” to serve as the umbrella term for all the variations.

Salt: /* Uncross Threads */

2025-09-29T02:14:50Z

Uncross Threads

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	====Uncross Threads====		====Uncross Threads====
	These are a variation of threads involving an Uncross motion and a Threading motion simultaneously. Due to the uncross mechanic, tricks under this category mainly use X-cross as its base. Additionally, uncross threads are mostly done using an Overcross (Extreme/deep fingercross) which allows easier threading motion to be done.		These are a variation of threads involving an '''Uncross motion and a Threading motion simultaneously'''. Due to the uncross mechanic, tricks under this category mainly use '''X-cross''' as its base. Additionally, uncross threads are mostly done using an Overcross (Extreme/deep fingercross) which allows easier threading motion to be done.

	Normal variations are performed using 3 fingers. Similar to the O-cross threads, 2 fingers form the circle to be made while the other finger is used for the threading and uncross motion.		Normal variations are performed using 3 fingers. Similar to the O-cross threads, 2 fingers form the circle to be made while the other finger is used for the threading and uncross motion.

Salt at 02:12, 29 September 2025

2025-09-29T02:12:45Z

← Older revision		Revision as of 02:12, 29 September 2025
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	Fingercross (FC) describes a position where 2 or more fingers are crossed or overlapping. While a subcategory of FC involving the thumb is often referred to as Thumbcross ~~(TC)~~, the article will use the term “Fingercross” to serve as the umbrella term for all the variations.		Fingercross (FC) describes a position where 2 or more fingers are crossed or overlapping. While a subcategory of FC involving the thumb is often referred to as Thumbcross, the article will use the term “Fingercross” to serve as the umbrella term for all the variations.

	~~Crossing the~~ fingers allows for more possibilities by creating new slots and positions to be used. Basic tricks done in these will result in unusual mechanical variations, interactions and visual effects. However, FC remains unpopular due to the flexibility requirement for its tricks, making the advanced variations unviable for a large portion of the community.		In pen spinning, crossing one's fingers allows for more possibilities by creating new slots and positions to be used. Basic tricks done in these will result in unusual mechanical variations, interactions and visual effects. However, FC remains unpopular due to the flexibility requirement for its tricks, making the advanced variations unviable for a large portion of the community.

	=History=		=History=
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	===Threads===		===Threads===
	Threading is the application of the I-O concept with fingercross. The concept originated in another hobby called fingertutting<ref>[https://youtu.be/xabpZTJAVNo?si=LpbJE3yZwmeb4bmW Threads as performed in "Realm of Threads" by Ctut and Pnut]</ref>. It was then adapted and popularised by [[Saltient]] where development of it began in 2018 and finally made public during his [[Pen Spinning World Tournament 2021]] and [[Pen Spinning World Cup 2022]] run. However, thread like motions itself were already done by [[Fire@fox]] in his flexibility collection<ref>[https://www.youtube.com/watch?v=HCN0xl5S-3w Flexibility Collection by Fire@Fox]</ref>, though it wasn't named as such and was merely showed as a way to demonstrate his flexibility.		Threading is the application of the I-O concept with fingercross. The concept originated in another hobby called fingertutting<ref>[https://youtu.be/xabpZTJAVNo?si=LpbJE3yZwmeb4bmW Threads as performed in "Realm of Threads" by Ctut and Pnut]</ref>. It was then adapted and popularised by [[Saltient]] where development of it began in 2018 and finally made public during his [[Pen Spinning World Tournament 2021]] and [[Pen Spinning World Cup 2022]] run. However, thread like motions itself were already done by [[Fire@fox]] in his flexibility collection<ref>[https://www.youtube.com/watch?v=HCN0xl5S-3w Flexibility Collection by Fire@Fox]</ref>, though it wasn't named as such and was merely showed as a way to demonstrate his flexibility.


	In fingertutting, threading has 2 distinct versions performed by Ctut and Pnut. These were adapted to penspinning as O-cross threads and Uncross threads respectively.		In fingertutting, threading has 2 distinct versions performed by Ctut and Pnut. These were adapted to penspinning as O-cross threads and Uncross threads respectively. While 2 variations exists, the pen spinning community mostly tends to refer the former when discussing about threads.

	<tabber>		<tabber>
	\|-\|Thread Demo=		\|-\|Thread Demo=
	<youtube width="320" height="192">https://www.youtube.com/watch?v=NRCKR0gBLC0</youtube><br/>		<youtube width="320" height="192">https://www.youtube.com/watch?v=NRCKR0gBLC0</youtube><br/>
	0:00-0:39 O-Cross Threads (~~Pnut~~ Ver)		0:00-0:39 O-Cross Threads (Ctut Ver)
	0:40-1:06 Uncross Threads (~~Ctut~~ Ver)		0:40-1:06 Uncross Threads (Pnut Ver)
	</tabber>		</tabber>



	====O-Cross Threads====		====O-Cross Threads====
	This variation involves "threading" or making an I-O motion within an O-cross. This is easily done with the adjacent O-crosses such as FC 3p>1p, 1p>3p, 2p>4p, 1p>4p and 4p>1p where the finger or fingers between the O cross can be threaded in or out.		This is the main variation that involves "threading" or making an I-O motion within an O-cross. This is easily done with the adjacent O-crosses such as FC 3p>1p, 1p>3p, 2p>4p, 1p>4p and 4p>1p where the finger or fingers between the O cross can be threaded in or out. In simpler terms, base variations of O-cross threads are side sonics with adjacent fingers being O-crossed.

	The main component of an O-cross thread is an O-cross and the threaded finger (or I-O finger). Further modifications can be made within the parameters of these 2 components to create more variations.		The main component of an O-cross thread is an O-cross and the threaded finger (or I-O finger). Further modifications can be made within the parameters of these 2 components to create more variations.

	Since the finger doesn't have to be between the fingers making the O-cross, non-adjacent variations are possible. For example, a ring finger can be threaded in and out of an FC 2p>1p.		Since the finger doesn't have to be between the fingers making the O-cross, '''non-adjacent variations''' are possible. For example, a ring finger can be threaded in and out of an FC 2p>1p.

	Additional crossings can also be made where either the O-cross fingers or the ~~threaded~~ fingers can be X-crossed. Moreover, the ~~threaded~~ fingers can also be O-crossed which can result in variations where an O-cross is being threaded inside an O-cross.		'''Additional crossings''' can also be made where either the O-cross fingers or the threading fingers can be X-crossed. Moreover, the threading fingers can also be O-crossed which can result in variations where an O-cross is being threaded inside an O-cross.

	On the mechanics side, the element of threading within an O-cross opens up a lot more interesting interactions. The following are the discovered ones as of writing.		On the mechanics side, the element of threading within an O-cross opens up a lot more interesting interactions. The following are the discovered ones as of writing.
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	</tabber>		</tabber>

	These mechanics can be further modified where ~~multiple~~ threading ~~motions~~ can be made within a single rotation~~. In other words, a trick can be done with an~~ I-O-I/O-I-O ~~or double threading~~		These mechanics can be further modified with multiple threading. This is where the more than 1 threading motion can be made within a single rotation such as either I-O-I or O-I-O.

	====Uncross Threads====		====Uncross Threads====
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	To best visualise, imagine an fcx 21 (See the Additional Modification section). In this case, the middle finger serves as the threaded finger. To complete the circle needed for the uncross thread, a third finger (usually the thumb) is used to be conjoined together with the index finger (the remaining x-cross finger). This allows for the middle finger to mimic a threading motion similar to an O-cross Thread.		To best visualise, imagine an fcx 21 (See the Additional Modification section). In this case, the middle finger serves as the threaded finger. To complete the circle needed for the uncross thread, a third finger (usually the thumb) is used to be conjoined together with the index finger (the remaining x-cross finger). This allows for the middle finger to mimic a threading motion similar to an O-cross Thread.

	~~However,~~ Uncross Threads aren't limited to 3 fingers only. The important part of an Uncross Thread are the 2 fingers forming the initial X-Cross. ~~The Palm~~ can be used as substitute for the third finger in order to form the circle needed for the threading motion~~. This allows for a 2 Finger Uncross Thread variation to be made~~.		'''2 Finger Uncross Thread variations''' are also possible since Uncross Threads aren't limited to 3 fingers only. The important part of an Uncross Thread are the 2 fingers forming the initial X-Cross. As such, the palm can be used as substitute for the third finger in order to form the circle needed for the threading motion.

	While the base mechanics are similar to the O-cross threads where ~~theres~~ a circle and an I-O motion, the tricks that can be derived can differ. The following are the discovered mechanics as of writing:		While the base mechanics are similar to the O-cross threads where there's a circle and an I-O motion, the tricks that can be derived can differ. The following are the discovered mechanics as of writing:

	<tabber>		<tabber>
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	==X-Cross Holes==		==X-Cross Holes==
	While X-cross fingers are normally almost parallel, the crossed fingers can be further bent to allow a space or hole to be made between the slots below the normal cross slots. This serves as the foundation of the 2h Fingerstuck concept.		While X-cross fingers are normally almost parallel, the crossed fingers can be further bent to allow a space or hole to be made between the slots below the normal cross slots. This serves as the foundation of the 2h Fingerstuck concept. 1H variations also exist with thumb typically being used to insert inside the X-cross hole. However, this application overlaps with the multiple crossings elaborated previously and thus will not be discussed extensively.

			The idea of X-cross holes also suggests that there are 2 main ways of holding a pen in a fingercross position, either at the tips of the crossed fingers or at the base of the fingers where the hole is former. A simple 1h application of the latter is a seasick in that slot or a fingerswitch (from the tips to the base/hole). Since such a slot is equivalent to the Fingerstuck position where the finger in this case is instead replaced by the pen, multipen variations and mechanics can also be explored and utilized.


	=Applications of Fingercross in other areas=		=Applications of Fingercross in other areas=
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	<youtube width="320" height="192">https://youtu.be/Hjd16OGIGOQ</youtube><br/>		<youtube width="320" height="192">https://youtu.be/Hjd16OGIGOQ</youtube><br/>
	</tabber>		</tabber>

	~~=Different visual effects and styles possible with Fingercross=~~

	==References==		==References==

Salt at 19:18, 1 September 2025

2025-09-01T19:18:29Z

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	In fingertutting, threading has 2 distinct versions performed by Ctut and Pnut. These were adapted to penspinning as O-cross threads and Uncross threads respectively.		In fingertutting, threading has 2 distinct versions performed by Ctut and Pnut. These were adapted to penspinning as O-cross threads and Uncross threads respectively.

			<tabber>
			\|-\|Thread Demo=
			<youtube width="320" height="192">https://www.youtube.com/watch?v=NRCKR0gBLC0</youtube><br/>
			0:00-0:39 O-Cross Threads (Pnut Ver)
			0:40-1:06 Uncross Threads (Ctut Ver)
			</tabber>


	====O-Cross Threads====		====O-Cross Threads====

Salt at 02:09, 1 September 2025

2025-09-01T02:09:52Z

← Older revision		Revision as of 02:09, 1 September 2025
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	==Degree of Crossings==		==Degree of Crossings==

			[[File:Overcross.png\|thumb\|Different notation for different stages of X Overcrosses]]

	Beyond simple modifiers to the X-cross and O-cross (normal, reverse, mirrored etc), it is worth noting that fingercross has their own degree of crossings where fingers can not only be fully crossed as elaborated in the previous section, but it can also be half crossed and over crossed.		Beyond simple modifiers to the X-cross and O-cross (normal, reverse, mirrored etc), it is worth noting that fingercross has their own degree of crossings where fingers can not only be fully crossed as elaborated in the previous section, but it can also be half crossed and over crossed.

	'''Half FC''' are the most common even outside of the fc subcategory. They are the fundamental components of [[Wiper]] tricks where a large portion are done by overlapping but not fully crossing the fingers. While it can be notated as HFC (Half FC), it is not considered as part of the fingercross category as a whole.		'''Half FC''' are the most common even outside of the fc subcategory. They are the fundamental components of [[Wiper]] tricks where a large portion are done by overlapping but not fully crossing the fingers. While it can be notated as HFC (Half FC), it is not considered as part of the fingercross category as a whole.

			[[File:Overcross O-cross.png\|thumb\|Different notation used for a different stage of O-cross]]

	On the other hand, '''Over cross''' describes a position where the fingers are crossed further than normal. This results in new position and mechanics that aren't possible by a normal full cross. These crossings are applicable to X-cross and O-cross where they both involve pushing the finger deeper within the cross.		On the other hand, '''Over cross''' describes a position where the fingers are crossed further than normal. This results in new position and mechanics that aren't possible by a normal full cross. These crossings are applicable to X-cross and O-cross where they both involve pushing the finger deeper within the cross.

	~~[[File:Overcross.png\|thumb\|Different notation for different stages of X Overcrosses]]~~

	To differentiate between full cross and overcross, additional notation can be used to describe the latter where letters can represent different segments of the finger.		To differentiate between full cross and overcross, additional notation can be used to describe the latter where letters can represent different segments of the finger.
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	* Fcy = Crossing happens at middle phalanx		* Fcy = Crossing happens at middle phalanx
	* Fcx = Crossing happens at proximal phalanx (close to base segment)		* Fcx = Crossing happens at proximal phalanx (close to base segment)

	~~[[File:Overcross O-cross.png\|thumb\|Different notation used for a different stage of O-cross]]~~

	An overcrossed X-cross is the main component for uncross threads as showed in the previous section. However, overcrossing an X-cross also allows more degree of movement by the crossed fingers by enabling the wrapped around finger (The middle finger in the case of FC 12) to bend. This opens up doors to a new unexplored subcategory called Knuckle Uncross. As no spinner has pushed the development of the FC category after [[Saltient]]'s [[Pen Spinning World Cup 2022]] run, no mechanics have been discovered for Knuckle Uncross as of writing. The same can be said for overcrossed O-cross as well.		An overcrossed X-cross is the main component for uncross threads as showed in the previous section. However, overcrossing an X-cross also allows more degree of movement by the crossed fingers by enabling the wrapped around finger (The middle finger in the case of FC 12) to bend. This opens up doors to a new unexplored subcategory called Knuckle Uncross. As no spinner has pushed the development of the FC category after [[Saltient]]'s [[Pen Spinning World Cup 2022]] run, no mechanics have been discovered for Knuckle Uncross as of writing. The same can be said for overcrossed O-cross as well.

Salt at 02:06, 1 September 2025

2025-09-01T02:06:14Z

← Older revision		Revision as of 02:06, 1 September 2025
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	=History=		=History=
	The early development of fingercross can be traced back to 2007-2008, when a small group of spinners began experimenting with the concept. The first documented fingercross was performed by Bajamba and later showcased by [[Freeman]], who also pioneered the first uncross trick—a backtap<ref>[https://youtu.be/iXBR5Dep37w?si=D68oS9YIlQMTey7Z Early Fingercross tricks uploaded on Freeman's alternate account]</ref>. However, the style truly entered the mainstream thanks to [[Fratleym]], who popularized the thumbcross concept early 2008<ref>[https://www.youtube.com/watch?v=_YfUSpUGjlM Thumbcross showcased by Fratleym]</ref> before performing them in the [[Pen Spinning World Tournament 2009]].		The early development of fingercross can be traced back to 2007-2008, when a small group of spinners began experimenting with the concept. The first documented fingercross was performed by Bajamba and later showcased by [[Freeman]], who also pioneered the first uncross trick—a backtap<ref>[https://youtu.be/iXBR5Dep37w?si=D68oS9YIlQMTey7Z Early Fingercross tricks uploaded on Freeman's alternate account]</ref>. However, the style truly entered the mainstream thanks to [[Fratleym]], who popularized the thumbcross concept early 2008<ref>[https://www.youtube.com/watch?v=_YfUSpUGjlM Thumbcross showcased by Fratleym]</ref> before performing them in the [[Pen Spinning World Tournament 2009]]. Other early adopters include [[Fire@fox]] who also used the thumbcross concept in his combos<ref>[https://www.youtube.com/watch?v=UdbZwhpRuGM Thumbcross showcased by Fratleym]</ref>

	Due to its high flexibility requirements, fingercross development stagnated for several years afterward, remaining a niche technique used by only a handful of spinners ~~like~~ [[Fel2fram]], [[RPD]]~~, and~~ [[~~Freeman~~]] ~~to add complexity to their combos~~. ~~Progress~~ was limited to basic moves like Cross pushes, stalls, and fingerswitches. ~~Notable~~ mechanics introduced during this period are Thumbcross passes.		Due to its high flexibility requirements, fingercross development stagnated for several years afterward, remaining a niche technique used by only a handful of spinners to add complexity to their combos. Such examples include [[Fel2fram]]'s [[Pen Spinning World Tournament 2013]], [[RPD]]'s [[Pen Spinning World Cup 2014]], as well as various collaboration submissions made by Freeman. However, progress was limited to basic moves like Cross pushes, stalls, and fingerswitches. Other notable mechanics introduced during this period are Thumbcross passes. Furthermore, [[Fire@fox]] also showcased the potential of using fingercross as a way to showcase unique visual displays<ref>[https://www.youtube.com/watch?v=ZP4l-rLqWpI Fire@Fox's Minovate 3rd Submission]</ref>

	A major resurgence occurred at [[Pen Spinning World Tournament 2015]], where spinners Xound and [[Menowa*]] performed highly technical combos consisting entirely of fingercross tricks. This momentum was accelerated the following year by Zarne, who expanded the category's vocabulary with inventive moves like the FC Square Pass, FC Triangle Pass, and PD Thumbcross Charge.		A major resurgence occurred at [[Pen Spinning World Tournament 2015]], where spinners Xound and [[Menowa*]] performed highly technical combos consisting entirely of fingercross tricks. This momentum was accelerated the following year by Zarne, who expanded the category's vocabulary with inventive moves like the FC Square Pass, FC Triangle Pass, and PD Thumbcross Charge.
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	Zarne's innovations were then showcased on a world stage during [[Pen Spinning World Tournament 2017]] by [[Sirapob]], who not only mastered them but also introduced his own new tricks and the groundbreaking two-handed fingerstuck concept in his Round 6 performance. Other spinners also started adapting FC into their combos during this period, namely a large portion of [[PSH]] spinners. However, they mainly focused on execution over innovation which resulted in merely integrating ineffective fingercross or simple cross push and pass mechanics within their combos. [[I.suk]] also started using FC on his non-dominant hand, showcasing high level FC transfers within his tournament run.		Zarne's innovations were then showcased on a world stage during [[Pen Spinning World Tournament 2017]] by [[Sirapob]], who not only mastered them but also introduced his own new tricks and the groundbreaking two-handed fingerstuck concept in his Round 6 performance. Other spinners also started adapting FC into their combos during this period, namely a large portion of [[PSH]] spinners. However, they mainly focused on execution over innovation which resulted in merely integrating ineffective fingercross or simple cross push and pass mechanics within their combos. [[I.suk]] also started using FC on his non-dominant hand, showcasing high level FC transfers within his tournament run.

	The next significant leap in development occurred between 2020 and 2022, when [[Saltient]] revolutionized the category. He deeply explored existing subcategories like Uncross and O-cross and pioneered entirely new ones, such as Threading. Leveraging his exceptional flexibility, [[Saltient]] created fundamentally new mechanics and movements, ~~pushing~~ fingercross into uncharted territory.		The next significant leap in development occurred between 2020 and 2022, when [[Saltient]] revolutionized the category. He deeply explored existing subcategories like Uncross and O-cross and pioneered entirely new ones, such as Threading. Leveraging his exceptional flexibility, [[Saltient]] created fundamentally new mechanics and movements with the specific intention of generating distinct, organic visual effects. This focus on artistic impression, not just physical execution, not only pushed fingercross into uncharted territory but also demonstrated the potential of utilizing different visual effects for any combos.

	=Main Variations=		=Main Variations=
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	The usual way to notate crossed fingers is with a square bracket after the fingerslots. The crossed fingers are written inside the bracket where the fingers above are written first followed by those below.		The usual way to notate crossed fingers is with a square bracket after the fingerslots. The crossed fingers are written inside the bracket where the fingers above are written first followed by those below.
	For example, crossing the index over the middle finger is written as [fc 12].		For example, crossing the index over the middle finger is written as [fc 21].

	[[File:X Fingercross Positions.png\|thumb]]		[[File:X Fingercross Positions.png\|thumb]]
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	\|-\|FC 21 Pinch=		\|-\|FC 21 Pinch=
	<youtube width="320" height="192">https://youtu.be/41XtS30IG70</youtube><br/>		<youtube width="320" height="192">https://youtu.be/41XtS30IG70</youtube><br/>
	\|-\|FC 34 Pinch + Spin=		\|-\|FC 43 Pinch + Spin=
	<youtube width="320" height="192">https://youtu.be/g-fgVefa4pI</youtube><br/>		<youtube width="320" height="192">https://youtu.be/g-fgVefa4pI</youtube><br/>
	</tabber>		</tabber>
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	====Partial Collapse/Formation of the O-fingercross====		====Partial Collapse/Formation of the O-fingercross====

			[[File:Partial O-crosses.png\|thumb\|Positions depicting different partial positions of an O-cross]]

			The fingers can be closed halfway either near the base of the finger or near the tip of the finger which is made possible using the different joints in the fingers. However, such positions and mechanics utilizing them require the person to be double jointed. Similar to both formation and collapse variations, taps can be performed using the half-close push of the O-cross.

	====Merging O-fingercross====		====Merging O-fingercross====
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	Normal variations are performed using 3 fingers. Similar to the O-cross threads, 2 fingers form the circle to be made while the other finger is used for the threading and uncross motion.		Normal variations are performed using 3 fingers. Similar to the O-cross threads, 2 fingers form the circle to be made while the other finger is used for the threading and uncross motion.

	To best visualise, imagine an fcx 12 (See the Additional Modification section). In this case, the middle finger serves as the threaded finger. To complete the circle needed for the uncross thread, a third finger (usually the thumb) is used to be conjoined together with the index finger (the remaining x-cross finger). This allows for the middle finger to mimic a threading motion similar to an O-cross Thread.		To best visualise, imagine an fcx 21 (See the Additional Modification section). In this case, the middle finger serves as the threaded finger. To complete the circle needed for the uncross thread, a third finger (usually the thumb) is used to be conjoined together with the index finger (the remaining x-cross finger). This allows for the middle finger to mimic a threading motion similar to an O-cross Thread.

	However, Uncross Threads aren't limited to 3 fingers only. The important part of an Uncross Thread are the 2 fingers forming the initial X-Cross. The Palm can be used as substitute for the third finger in order to form the circle needed for the threading motion. This allows for a 2 Finger Uncross Thread variation to be made.		However, Uncross Threads aren't limited to 3 fingers only. The important part of an Uncross Thread are the 2 fingers forming the initial X-Cross. The Palm can be used as substitute for the third finger in order to form the circle needed for the threading motion. This allows for a 2 Finger Uncross Thread variation to be made.
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	On the other hand, '''Over cross''' describes a position where the fingers are crossed further than normal. This results in new position and mechanics that aren't possible by a normal full cross. These crossings are applicable to X-cross and O-cross where they both involve pushing the finger deeper within the cross.		On the other hand, '''Over cross''' describes a position where the fingers are crossed further than normal. This results in new position and mechanics that aren't possible by a normal full cross. These crossings are applicable to X-cross and O-cross where they both involve pushing the finger deeper within the cross.

			[[File:Overcross.png\|thumb\|Different notation for different stages of X Overcrosses]]

	To differentiate between full cross and overcross, additional notation can be used to describe the latter where letters can represent different segments of the finger.		To differentiate between full cross and overcross, additional notation can be used to describe the latter where letters can represent different segments of the finger.
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	* Fcx = Crossing happens at proximal phalanx (close to base segment)		* Fcx = Crossing happens at proximal phalanx (close to base segment)

	[[File:Overcross.png\|thumb\|Different notation for different ~~stages~~ of ~~X Overcrosses~~]]		[[File:Overcross O-cross.png\|thumb\|Different notation used for a different stage of O-cross]]

	An overcrossed X-cross is the main component for uncross threads as showed in the previous section. However, overcrossing an X-cross also allows more degree of movement by the crossed fingers by enabling the wrapped around finger (The middle finger in the case of FC 12) to bend. This opens up doors to a new unexplored subcategory called Knuckle Uncross. As no spinner has pushed the development of the FC category after [[Saltient]]'s [[Pen Spinning World Cup 2022]] run, no mechanics have been discovered for Knuckle Uncross as of writing. The same can be said for overcrossed O-cross as well.		An overcrossed X-cross is the main component for uncross threads as showed in the previous section. However, overcrossing an X-cross also allows more degree of movement by the crossed fingers by enabling the wrapped around finger (The middle finger in the case of FC 12) to bend. This opens up doors to a new unexplored subcategory called Knuckle Uncross. As no spinner has pushed the development of the FC category after [[Saltient]]'s [[Pen Spinning World Cup 2022]] run, no mechanics have been discovered for Knuckle Uncross as of writing. The same can be said for overcrossed O-cross as well.