Developed to support the extensor and flexor muscle tendons of the forearm, this medium sized Epi-Sport Epicondylitis Clasp is well made and highly effective.Its clever design provides continuous compression to the affected area and it can be used to help speed recovery from medial or lateral epicondylitis. With an easy-to-use Velcro-style closure, this medium sized Epi-Sport Epicondylitis Clasp can be adjusted easily, is very comfortable to wear and will not restrict blood flow.