Based on the original Telegraph Key pinch, we've put our usual twist on this by beefing up the steelwork and tweaking the mechanism to ensure a completeley smooth and wobble free motion.
A great tool for developing both thumb and pinch grip strength, you can use the telegraph key pinch one or two handed.
Thumb Training - Thumb(s) on top fingers below, just crush away putting the strain on your thumbs during the motion and get ready for the burn.
Pinch Training - Finger(s) on top thumb(s) on the bottom, crush down firm using your fingers, a really effective way for training pinch.