ObusForme BackRest - The only backrest scientifically proven to decrease pressure on your back by 35% and increase comfort while sitting. Obus Forme® Ergonomic Seating Products can reduce this stress and make prolonged periods of sitting more comfortable - from the award-winning Obus Forme® Lowback Backrest Support to deluxe massaging cushions - comfort seating for home, office, car and travel.