Daddario PW-FDLK-25 FiddiLink Hand Exerciser, Fishbowl x25

FiddlLink is the easiest way to develop finger and hand coordination on the go. Continuously invert the linked plastic hinges, giving your hand a workout without even realizing it. Improve strength, dexterity, circulation, speed, fine motor skills and overall finger & hand health anytime, anywhere in just minutes/day. Available in a convenient Fishbowl x25