Therafin Hip Harness, Static, Rear PullA Seat Harness made from static material to position the pelvis. It is designed to assist in maintaining a neutral pelvis for those with high extensor tone. It helps to control posterior pelvis rotation and anterior thrusting. This item is a rear pull version that allows tightening the straps by pulling from the rear of the user. The thigh straps secure via a pre sewn buckle located on the back of the harness.