Punk

Minimal finger training board
With its 55 gram weight, you can easily carry it anywhere and take it out of your pocket when you get bored.
Punk with 4-6-8-10 mm crimp grips and 20 mm pinch grip is the most minimal, most effective training tool for special grip strength training and warm-up.
With the rope on it, you can attach it to your foot, anywhere and work your fingers gently or you can attach weights and do special grip strength training