Silicone Stretcher Finger ExerciseDesign for all handsThe strength trainer is ergonomically shaped and fits well for all hand sizes and all ages. Finger stretcher trainer ideal for pianos, guitarists, golfers, and mountain enthusiasts who need decompression, rehabilitation, stroke, muscle memory, fingers, and grip. Exercise anytime and anywhereThe small finger trainer is lightweight and easy to carry. You can use it when walking, traveling (car, plane, bus), in the office, at school,