High quality PP pipe has good elasticity and high flexibility. It can withstand repeated stretching thousands of times to meet your exercise needs. PP protective layer effectively protects and reduces the risk of injury during exercise, providing a better workout experience. Shoulder strap features a cotton padding layer to protect shoulders from discomfort; D-shaped reinforced clip can withstand up to 500kg of pressure, ensuring safe and secure performance. High quality PP straps are compact, strong, not easy to break, smooth, and easy to use. Climbing-grade iron hook accessories are firm, durable, safe, and stable. Bidirectional arc buckle allows for simple insertion, secure locking, and easy release, offering convenience and reliability. This product is designed from a biomechanical perspective to enhance leg strength training. It is helpful for improving jump performance, speed, and strength, and is suitable for various sports programs.