This dual purpose versatility gives you the ability to focus on treatment of the injured shoulder - while still having the ability to treat the opposite shoulder (which will bear more stress as a result of you protecting the injured side). Helps Treat Rotator Cuff Tears, Shoulder Tendinitis, Frozen Shoulder, Bursitis, Shoulder Impingement, AC Joint Separation, Supraspinatus Tendinitis, General Shoulder Tightness and Stiffness and Chronic Shoulder Pain - Safely, Naturally and Effectively!