This specially designed clasp provides targeted compression to the long tendons of the forearm extensor and flexor muscles. The tendons are held more parallel to allow healing to begin and reduce inflammation and pain. Dual action compression works simultaneously to treat Lateral and/or Medial Epicondylitis (forehand and backhand tennis elbow) without restricting circulation. This low profile product is extremely lightweight and comfortable to wear without any pinch points. The shock absorbing liner also helps wick moisture away from skin. GelBand Arm Band and Epi-Sport are packaged with an informative Elbow Guide that explains the common conditions affecting the elbow, their causes and symptoms, and suggested treatments.