It is a small essential equipment to carry anywhere. Hand Grip Exerciser is Perfect For: People looking to increase muscle strength in the hands, fingers, wrist and forearms. Anyone who is recovering from any hand, wrist or forearm injury. It is useful for cricketers, rope climbers, rock climbers, golfers, athletes, musicians, hockey players, badminton players, tennis players, etc. People looking for Promote Blood Circulation and relieves stress.