Features: Material:ABS Type:Left/Right hand Function: To prevent the fingers cramp bent spasm or atrophy The fingers erosion prevention, The fixed fingers and wrist , Suppression a stroke or rheumatoid arthritis finger deformed fingers Main effects: inhibition finger stroke or rheumatoid arthritis caused by deformed fingers, to prevent the fingers bent spasm or atrophy. Training methods: 1.the fingers spread apart, keeping your fingers in the correct extension position. 2.finger patients with severe flexion need help by others , patients with mild flexion tension, can wear it by himself. Should practice under the guidance of the rehabilitation division or caregiver. Compliance with "progressive" principle, according to the specific circumstances of trainers gradually increase the difficulty of training or training time. Inhibiting flexor muscle spasm, keeping fingers metacarpophalangeal joints and full extension joints, metacarpophalangeal joints and prevent finger joint flexion deformity. Can effectively relieve stroke, cerebral infarction, stroke and other patient's finger cramps. This product is lightweight, easy to carry, wear about 20 minutes to remove a finger spasms(wist), you can wear it at any place and anytime, can adjustable elastic strap. Tape relatively soft texture, but there is no flexibility, can be good to avoidSuitable for users with a height of 150cm-180cm partial strangulation fingers too tightly.(Straps are unified computer-controlled machines cut, the edge is very smooth and comfortable to wear.) includes:1 x Hand Finger Spasm Extension Board