- Gift good: if you suffer from rheumatoid arthritis, arthritis, carpite, tendonitis, tennis elbow and you recover from a fracture or a wrist or tendon surgery, It is the claw that suits you best. 2. Advanced design: our civilians and handles are ergonomic, small and elegant, adapted to most ages and most finger exercises. 3. Object: Our fingers resistance strips and the strength of the fingers are ideal for arthritis, rheumatoid arthritis, carpal tunnel, tendonitis and climbers, ball lovers and musicians to increase flexibility fingers. 4. Function: Our fingertips strip can increase the strength of the athletes’ fingers, strengthen the movement of the wrists and fingers, and increase the strength of the hands. The different voltage values for the exercise of the fingers correspond to your needs. 5. Safety and sustainability: our handle intensifying and our handle are made of high quality, washable and durable silicone.