All one needs to do is hold down the small circular knobs on either end, and in result one strengthens their hand grip.
The Hand Grip Exerciser is great for golfers.
It strengthens hands, wrists and forearms.
Easy to use, safe and effective.
For Strengthening your fingers, hands and wrists.
Great for fidgeting and stress reliefe
Dottted patern toavoid slippage
Hardened & tempored internal spring for resistance
Easy to you, safe and effective