Reduce Muscle Pain -- Our finger squeeze ball help user recover strength finger and forearm muscle, relieve spasm finger, numb.Hand grip ball can help you increase blood and tissue hydration, improve athletic performance, increase flexibility.Suitable for Climbers and bodybuilders training finger and grip strength. Fans of badminton, table tennis, basketball and other ball games. Learn to play the piano to exercise finger strength. People whom use computer keyboard for a long time.Strengthens Grip -- Finger Strengthener Ball to progressively a hand post-injury or post-surgery,it can help elder add repetitions to reap additional benefits.Hand therapy exercise balls build strength in the fingers, hands, wrist and forearms, while reducing stiffness and joint pain by stimulating in the forearm and hand.Lightweight Design -- Finger Strengthener Ball are lightweight and you can bring them wherever you want in your bags, suitable for many occasions, such as school, home, officepark, etc.Soft thorn on the ball surface can exercise the hand, but will not sting or cause pain feelings.Great for relieving stress and anxiety.Use Method -- Hold the ball completely in the palm of your hand and do 10 times hand stretching exercises, first with your right hand and then with your left hand, alternating.Suitable for training hand muscle and finger flexibility, especially for primary strength training and rehabilitation training.Durable Nonslip Exterior -- Hand grip therapy balls are constructed with a premium composite material that is latex free. The lightly textured exterior provides a secure, nonslip surface for gripping. The hand therapy balls retain their shape for extensive usability and are also tear and split-resistant.