Still, I do not have Carpal Tunnel Syndrome.
Koh Fit makes it easy to do such things when they sell these balls, then, include a .PDF entitled, "Hand Therapy Guide." It's not a long or verbose file. It simply tells you how to do certain exercises. Smart!
I was worried when one of the cat's got a hold of it. But, there were no claw or teeth marks once I got it back. So, it's sturdy too! It's also easier to play with this one than it is a tennis ball. This one is much softer.
Vital Link: Amazon