Fitness Hip Stretch Yoga Belt Inverted Rope Pull Stretch Belt Split Lower Waist TrainerOverview: 1. The stretch strap material is made of silky fabric, which is sturdy, and does not hurt or burn your skin with friction. The folds of fabric are upgraded wide supportive and do not cut into you compared to the traditional narrow strap. A yoga sling is certainly a good way to take yoga to a higher fitness level. 2. No need for a rafter or hardware, you just slip the two foam wheels on each end over your door, then shut it to hold it in