• How to Use: First, insert the string into the hole of the internal yellow ball and wind until the string is fully wrapped around the yellow ball. Then, pull the string rapidly, and immediately start rotating your wrist. It might take some time to find your flow. The faster you spin, the more strength you will need to keep the momentum going
• Fast & Effective - With this gyro wrist resistance trainer, you can train your wrist and shoulders with short and effective exercises. It comes with a secured grip strap which includes a red string and a gray hanging band
• 6 in 1 - The wrist trainer is perfect for training forearms, biceps, triceps, shoulders as well as wrists. It additionally strengthens the grip strength of the fingers. A great tool as a pitching arm strengthener
• Injury Prevention - It's great for rehabilitation and it can even prevent injuries such as carpal tunnel, RSI (repetitive strain injury), tennis elbow, and golf elbow. It also can relieve you of tension in the arm, neck and shoulders
• Vibration-free & Long-Lasting - Thanks to the precise rotation, no annoying vibration occurs during training. The stability and break-resistance of the gyroball is provided by the sturdy plastic housing and stainless steel axel