This ball fits comfortably in your hand to help reduce hand contractions and spasms while maintaining the comfort and safety of your hand and fingers; After a stroke, or when dealing with any other number of physical issues, a hand contracting can cause pain and long term issuesRESTING HAND SPLINT- This splint is a cheap, fun alternative to bulkier more expensive splitns designed for resting a spastic or contracting hand; This ball provides something to grip, which means maintaining strength while protecting from repetiive motion or over exertion injuriesCARPAL TUNNEL SPASMS- Another cause of hand contractions can be carpal tunnel syndrome; While most frequently this results in pain or tingling in the hands, it can also result in spasms of the hand called carpal tunnel spasms; This anti-spasticity ball helps to mitigate these spasms keeping your hand safe and comfortableSTROKE SPLINT BALL- After a stroke, the painful contracture of your fingers and hand can be a constant and annoying part of life; This happy ball splint will help reduce those contractures while gently keeping your hand comfortably at restAfter-sales-If you have any questions about our products, please contact us in time.