Hand Grip Ball Finger Exerciser High Strength Training Ball Hand Strengthener Tool Item Type: Hand Strengthener Color: Yellow Material: High Elastic PU Introduction: It uses highly elastic materials, suitable for all ages, can exercise the strength the flexibility of fingers, suitable for primary strength training. Function: Exercise fingers, arm strength. The grip ball is not very big, just hold it in the hand of your hand. Hold the grip ball and squeeze hard. Generally, if you continue to hold N times, you will feel very comfortable. Because when the grip ball is squeezed hard, the flexible ball deforms to fill the hand, and the hand is loose and tight to grip to achieve the effect of exercise. Features: Because of the small size of the grip ball, it can be carried in your pocket and taken away by trains or car. Therefore, it is more suitable for people who often work with fingers and often go out. Basic exercises: Hold the grip ball completely in the hand, do ten hand stretch exercises, first do the right hand exercises and then the left hand exercises, and practice alternately.