Spinefitter by Sissel, Back Stretcher for Lower-Back Pain Relief, Back-Cracking Device, Back Cracker, Upper- and Lower-Back Stretcher, Back Decompression Device, Lumbar Stretcher, AnthraciteBrand: Balanced Body Features: SPINE SUPPORT TOOL: Gently and naturally relieve discomfort and restore natural spine alignment with the SISSEL Spinefitter. It features 28 interconnected balls that help relieve tension and promote improved joint mobility. PROMOTES BALANCE: Made from high quality materials, the Spinefitter helps balance your body's energy and nervous system by engaging your core muscles and specifically targeting the vertebral joints of