This Medic Therapeutic Scalp Scratcher and massager has a total of 20 prongs that easily moves and adjusts its shape to help massage any desired area from your head back legs or arms to temporarily relieve minor muscle tension. Equipped with rubber tips for a gentle massage that is scratch free. The dynamic duo of extendable back scratchers not only provides a relaxing massage but together also stimulates blood circulation as well as relaxes muscles and relieves stress!