Slimmer Waist & Toned Abs The waist twister machine exercise twist the resistance pedal back and forth by exerting force on the waist and thighs to help exercise the waist, abdomen, thighs and muscles to achieve the effect of thinning the waist, strengthening the abdomen, losing weight and shaping the body. Extreme StabilityThe Ab machine is a double-pedal design. Compared to traditional single-disc design, it allows you to stand with your feet apart while using the device. Our twisting machine can stand safer and more stable. Double Anti-SlipThe standing surface of the waist twisting fitness tool comes with a textured non-slip, which is anti-slip and also provides massage for the soles of the feet.The four anti-slip feet covers on the base greatly improve stability and balance, ensuring your safety during use. Noiseless Enjoy a quiet workout with this ab twister board, whose strong, highly elastic resistance rebound twist mechanism allows for smooth, quiet ro