Grip strength tool is one of the most popular best-seller articles in online platforms in the strength training equipment section. It has become famous because people have become aware of their bodies and want to accomplish their fitness goals. A grip strength tool is an effective, low-cost option for you. Nowadays, doctors and physiotherapists recommend exercise with hand grippers in their rehabilitation period. It is not only useful for sports persons but also applicable for hand arthritis, hand injury, and carpus tunnel syndrome patients. Even nowadays, occupational therapists use hand grippers to treat autistic children to improve their range-of-motion, and their body and mind coordination.