The Epicondylitis clasp is suitable for medial and lateral Epicondylitis, and is a professional solution to tennis/ golfers elbow or Epicondylitis Fits either left or right arm, Medium The clasp allows compression to be applied to both the medial and lateral epicondyles for relief A lightweight support which helps to support the muscles in the forearm and reduces the pressure off the tendon The clasp clips onto the forearm and is secured in place with a velcro fastening strap providing the best support possible whilst relieving pain.