MayBud Wrist Power Gyroscopic Ball Strengtheners for Stronger Arm Fingers Wrist Bones for Finger Strength

Make sure this fits by entering your model number.
Strength enhancement: Strengthen the strength of the arms, wrists and fingers, which is conducive to promoting coordination and blood circulation
Pure artificial power: The wrist ball is a purely artificial power mechanical device, which does not use batteries and any power source

Amazon.com Price: $9.99 (as of 08/04/2023 07:31 PST- Details)

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attention

It is forbidden for children under 10 years of age to use this product. The wrist strength is not enough to use this product.
The user is forbidden to drop the ball from a height to the ground and hit hard objects
It is forbidden to let go or pass the ball to others while the ball is spinning at high speed
It is forbidden to use any part of the body to try to stop the high-speed sphere
It is forbidden to add any oily liquid to the sphere

Make sure this fits by entering your model number.
Strength enhancement: Strengthen the strength of the arms, wrists and fingers, which is conducive to promoting coordination and blood circulation
Pure artificial power: The wrist ball is a purely artificial power mechanical device, which does not use batteries and any power source
Function: Enhance finger grip, wrist endurance, toughness of finger ligaments, and have a certain relief effect on computer mouse hands
Working principle: Using the principle of spiral instrument and celestial mechanics, using centrifugal force and the law of inertia to generate strong power when rotating, the arm is in an active state of motion, and the user controls the rhythm and intensity of the movement through the rotation of the wrist
How to use: Hold the ball horizontally with both hands, push the center of the ball alternately with the thumb in the direction of the arrow, stop when the resistance is great, hold the ball with one hand and rotate it in a clockwise or counterclockwise direction, feel the centrifugal force generated by the center of the ball, and then start to accelerate

Specification: MayBud Wrist Power Gyroscopic Ball Strengtheners for Stronger Arm Fingers Wrist Bones for Finger Strength

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MayBud Wrist Power Gyroscopic Ball Strengtheners for Stronger Arm Fingers Wrist Bones for Finger Strength
MayBud Wrist Power Gyroscopic Ball Strengtheners for Stronger Arm Fingers Wrist Bones for Finger Strength

Amazon.com Price: $9.99 (as of 08/04/2023 07:31 PST- Details)

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