The SOMI Brace attaches to a sternal occipital mandibular immobilization device to produce zero mobility of your head and neck. These two devices set your neck in perfect alignment with your spine. The SOMI Brace’s two main contact points are the occipital (back of the head) area and the mandibular (lower jaw). This SOMI Brace’s primary use is for patients with chronic ailments like rheumatoid arthritis in the neck or individuals recovering from surgery.