*  17.5&quot; Long Black Red Plastic Back Knock Scratcher Relaxing Massage Hammer.<br /> * Design in two ended・ detachable stype・ double side・ one is hammer massager・ the other is scratcher.<br /> * Useful massage tool to ease one's muscle tension and stimute circulation.<br /> * Attaches handle to easily reach the back and all body.<br /> * You can do massaging whereever and whenever you like.<br /> * Great helper for office guys who sit for long time.<br /> * Also fits for students・ elder・ patients・ etc.