Grip Block Gripper 40mm - Armlifting Pinching tool
byEmechanikBlock gripper is interesting tool to train your grip/pinch finger strength. Mainly aiming the thumb muscles that usually are the weakest.
Triangular shape starting from 40mm to 30mm width. Easy on one side, more difficult and slippery on the other.
To finish product you need 50cm of 5mm rope and carabiner.