Rowing Machine Reviews » Blog Archive » Fantastic Deal! JGWHW Hand Grip Strengthener, Power Wrist Ball Gyroscopes – Wrist Strengthener Gyro Ball (Color : Red)

Fantastic Deal! JGWHW Hand Grip Strengthener, Power Wrist Ball Gyroscopes – Wrist Strengthener Gyro Ball (Color : Red)

Current Price: $57.82
Click here to buy from Amazon now!

Features and Specifications:

âNo batteries required and no chemicals utilised inside,The faster it spins the brighter it lights up.
âUsing the principle of gyroscopic celestial mechanics, the simulated celestial motion naturally generates magnetic force; under the action of inertial force and centrifugal force, it continuously rotates and generates powerful force, so that the wrist and arm are in autonomous motion state.
âHold the inner arrow of the ball with your thumb, push it forward to the maximum resistance, and quickly release the thumb to hand the ball to the hand holding the ball; after starting, you can swing your hand at will, so that it keeps turning.
âSuitable for the crowd: For sportspeople (golf, tennis, climbing, cycling, martial arts, etc.) and musicians (drums, piano, guitar, etc.) Powerball will help massively improve your play by increasing strength, flexibilty and dexterity in the hand, wrist and fingers
âGive your wrist forearms and biceps an almighty workout!
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