Relieve muscle tension and soreness with the Athletic Works Dual Back Massager. The ergonomic shape will gently cradle the spine to provide corrective therapy. The Muscle Roller features a textured surface to help stimulate blood flow to increase circulation and prevent stiffness. Roll between the ground and your back, along your spine, to massage soreness out of your back muscles. Our massager is also lightweight making it a great travel companion. Includes exercise guide.