ROCK. DON'T ROLL. Setting a new standard in foam rolling, the TRX Rocker® is the only tool that promotes rocking, a highly effective technique for achieving hyper-focused muscle release, increased blood flow and circulation, and overall relaxation and recovery. The TRX Rocker’s distinctive design features three levels of intensity for a full progression of release, wherever and whenever you need it. Available in 13” or 26”.