The key pinch is versatile pinch variant with real-world application named for the way a key is held and used to unlock. This type of strength is equally valuable in sports as in the garage. Recall the times you tried to unscrew a bolt with your fingers but couldn't get it started. That was likely a lack of strength or pain tolerance in the key pinch movement and the Coin Lift will help with both.
The coin is made from aluminum and is 1-1/2" in diameter and about 1/8" thick. Very similar to the old Eisenhower silver dollars. The sturdy chord can be attached to a loading pin or looped/snagged/clipped to anything you can imagine.
Challenge yourself! Lifting 50 pounds with this implement is very respectable.
Consider pairing with the Barrel Strength Systems loading pin