Adjustable Hand Fitness Trainer

We all have to sit at a desk at least some time. Idol? why not capitalize on the opportunity cost. Make sure to switch between hands. Get cognitive rest from all the mental work and trick your brain to enjoy a struggle to prepare for what may come your way.

• Customizable Resistance: It works outer forearm as well.
• Product Information: Name: Wrist Training Device, Weight: 440G, Material: Spring foam nylon fiber, Spring: Manganese steel spring