1. Finger Training: Constructed with an aluminum alloy frame, tension springs, sponge fabric padding, and breathable curved plastic plate material. Utilizes spring loaded supports to enable finger and wrist movement while maintaining dorsiflexion. The curved flat aluminum frame's springs keep fingers and wrists in dorsiflexion for effective training. 2. Adjustable Spring Tension: Rotate the nut to extend or shorten the pull rods on both sides, adjusting the spring tension. The triangular support enhances stand stability. Designed to fit any adult hand size, suitable for both left and right hands. 3. Finger Holder: Ideal for straight, weak, stiff, or curved fingers, aiding in stroking exercises. Strengthens hand and finger muscles, improves flexibility, and enhances elbow tendon conditioning. 4. Application: Ideal for hemiplegic wrist and finger dysfunction, finger and wrist weakness, hand drop (radial nerve injury), or post tendon rehabilitation. Suitable for any adult, left or right handed.