Dual-Grip Pilates Ring – Magic Circle for Yoga, Resistance & Full-Body Workouts Effectively Repair Pelvic Floor Muscle. Deep Stretch,Slender Leg Lines. Thickened Ring Wall. Slim Arm/Straight Chest. Body Shaping. 7MM Thickened Crescent-Shaped Handle. Ergonomic Non-Slip Fit Human Body Curve.