Professionals Recommended: Hand Yoga Is Being Used By Many International Professionals In Various Fields Such As Musicians Physical Therapists Doctors And Technicians For Their Healthy Hands And Finger. Best Hand Exerciser: You Can Train Fingers Individually Or Together With Different Tension Forces Applied. High-Grade Material: The Finger Band Is Made Of Silicon With Great Elasticity And High-Grade Neoprene And The Strap Make The Product Perfect For Anyone! Ergonomic Design: This Perfect Design Leads You To Maximize Motions Of Range In Exercising. The Adjustable Wristband Can Be Worn By Anyone With A Comfortable Fit Regardless Of Wrist Circumference. The Forearm Exerciser Design Leads To Maximum Motion Of Range In Exercising Keeps The Hand In A Normal Posture Increases Strength And Flexibility Of The Finger