Perfect supplementary workout tool to train and exercise your muscles. Rotating handles allows you to perform various workouts for different parts of your body. It can be used for chest, waist, thigh, hip, arms, gluteus and abs. The Spring is made of bold steel which make it durable enough to withstand multiple and high-strength stretching and extrusion. The equipment is covered with a thick layer of sponge. The parts that touch the body are soft and comfortable, so it will not hurt your skin or muscle, enjoy the joy of sports.