Vibrating Peanut Massage Ball by Rolling With It is a cutting-edge fitness and recovery device that uses pressure and vibration to improve the bodys overall performance. It melts away nagging muscle pain or tension. Take your fitness or pain recovery to the next level with what fitness experts are calling the most effective hand-held portable massaging tool available. Using foam roller ideology, this therapy massage ball uses 2 vibrating spheres to dictate the pressure and point of contact. Use against a wall, the floor, or on a couch or recliner. No matter how you decide to use our Peanut Massage Ball, you will feel the tension and tightness melt away within minutes!