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It can also be used for boxing training. It can be used with a small ball for speed training, or with a large ball for strength training.
The knuckle racquet can also be used to play a game against an opponent. This game has the same rules as racquet ball and can be played on an indoor or outdoor racquet ball court.
The Knuckle Racquet is patented and invented by Jose Castillo of New Skool Sports. The first functional prototype, pictured above, was created in 2009.
- "About The Knuckle Racket a.k.a. Knuckle Racquet". Knuckleracket.com. 2013-08-13. Retrieved 2013-09-07.