Experience the R8 deep tissue massage roller and see why athletes everywhere have been drawn to its revolutionary design. The patented technology self-adjusts for different body sizes and targets the IT-bands, quads, hamstrings, calves, shins, gluteus, arms and more with deep-tissue force. It takes the work out of rolling and is compact enough to take anywhere. The new R8 features an improved spring configuration, new stainless steel hardware fasteners, new bearing integration in all pivot points, soft-touch handles and interchangeable R8-Inserts for a customizable feel.