Features:
Finger Trainer wasspecifically designed to exercise & strengthen your expandingmuscles, balancing all of that over-gripping.
Compact and effective, help you strengthen your expanding musclescorrecting the imbalances caused by over-gripping.
Material: Silicon
Color:Random
Size: 75*35mm      
  
How to use finger trainer:
Slip loops ontofingertips centering oval indents
Start with fingertips close together
Open your hand all the way.