Obus Forme OFHB-BLK Highback Backrest Support at $79.99, is Obus Forme's original, award-winning backrest support, the Obus Forme Highback Backrest Support transforms ordinary chairs into ergonomically correct seating. Unlike ordinary L-shaped chairs, the S-shape of the Obus Forme Backrest Support molds your spine into a more anatomically correct position, and help to enhance overall posture by supporting proper spinal alignment. Relieves pain aggravated by poor posture including back pain, neck pain, tension in the shoulders and headaches as well as relieving pain from disc problems of the spine and sciatica by reducing rheumatic spinal cord compression.