Step 1:
Hold the ball horizontally with both hands, and alternately push the center of the ball with the thumb in the direction of the arrow until the resistance is maximum and cannot be pushed.
Step 2:
The thumb quickly releases the center of the ball and holds it in one hand.
Step 3:
Rotate the wrist in a circular motion, feel the centrifugal force generated by the center of the ball, and slowly accelerate.
How to stop ?
Temporarily rotate the wrist, and the ball will stop rotating within approximately 30 seconds.
It's as fun as ice cubes in a spinning glass.
The essence to operation lies in the synchronization of the rotational momentum and rhythm of the wrist and wrist force ball.
1.people with heart disease and people with weak hand strength are prohibited to use this product.
2.Wrist force ball belongs to high precision products, users must be careful to use, improper use method will lead to product damage.
For more detailed precautions, please refer to the product manual.