Description Benefits of the wrist ball 1. Wrist ball is good for warming up your hands, wrists, shoulders, forearms, biceps and upper limbs 2. If you use the computer or play the piano for a long time, you can play this ball for a few minutes every day, which will make your hands feel less painful 3. Wrist ball hand grip enhancer, hand grip exerciser, relieve stress, suitable for the elderly, nursing, treatment, and rehabilitation personnel: in fact, the gyro ball will not bear too much burden Can improve blood circulation on the fingers and prevent nerve damage How to use the wrist ball Step 1: Take the gyro ball in your hand, rotate the core upwards, and use two thumbs Rotate the rotor again and again until it reaches the corresponding elastic core position in the direction of the arrow. Step 2: Hold the wrist ball tightly, then immediately release your finger from the spinner, the spinner will Run at a speed of 1500 to 3000 rpm. At the same time, slowly lower your palm while rotating your wrist Get the power to maintain the existing gyro ball or higher than the starting speed. Step 3: As you gradually increase your core speed, you will feel the same synchronously increasing reaction force rotating gyroscope on your wrist and arm. Note: Do not place it vertically when starting, otherwise it will cause invalid push