1. Finger Training: Constructed with an aluminum alloy frame, tension springs, sponge fabric padding, and breathable curved plastic plate material. Utilizes springloaded supports to enable finger and wrist movement while maintaining dorsiflexion. The curved flat aluminum frame's springs ensure fingers and wrists remain in dorsiflexion for effective finger training. 2. Adjustable Spring Tension: Rotate the nut to extend or shorten the pull rods on both sides, adjusting the spring tension as needed. The triangular support enhances stand stability. Designed to fit any finger size, left or right, making it suitable for all adult hand sizes. 3. Finger Holder: Designed for straight, weak, stiff, or curved fingers to improve stroking motion. Enhances strength and flexibility in hand and finger muscles, as well as elbow tendons. 4. Application: Ideal for hemiplegic wrist and finger dysfunction, finger and wrist weakness, wrist drop (radial nerve injury), or posttendon /postsurgery exercises. Suitable for any adult, left or righthanded.