Auto-Start Power Gyro Ball Self-Luminous Hand Wrist Forearm Trainer Exercise Joint and Muscle With LED Lights

Description

Wrist gyro ball cleverly use the powerful centrifugal force generated by the high-speed rotation of the ball to exercise the wrist, hand and forearm. Newcomers generally need to play a few more times to appreciate its amazement.

INSTRUCTION

1. Follow the direction of the arrow with the thumb to push the ball center until the accumulation of force is complete 2: Release and turn to one hand to hold 3:Palm clockwise or counterclockwise rotation
2. Keep rotating your wrist and enjoy the magical journey of centrifugal force