Portable Design: Lightweight and portable traction trainer and pedal board. Light and small chest expander. Easy to transport and store. You can use it at home, office, hotel, gym, park or on the go. High quality material: high quality elastic spring material is Made of carbon steel, excellent elasticity, strong and durable, not easy to deform and long service life. It has a steel upper shaft and a seamless PU handle. The handle and pedal are made of engineering plastic. It is comfortable to hold and effectively prevents hands and feet from slipping. Long-term use will not make you feel uncomfortable. Musk Endurance Enhancer Multi-functional strength training: a professional tool for burning fat and building muscle. It's a great way to burn fat, increase muscle strength, strengthen fingers and arms, improve coordination and train different muscle areas such as legs, arms and buttocks. . Adjustable force: there are five springs. The number of springs can be increased or decreased depending on the strength of the individual. The springs can be freely detached. 5, 4 and 3 springs. You can choose the training intensity that suits your situation. Perfect weight loss fitness is perfect for you Excellent fitness accessories: This is also great for weight loss and body enhancement. Using this abdominal trimmer hand clip can not only reduce fat, but also make your body more perfect. Perfect weight loss, perfect for yoga, fitness classes, exercise and injury recovery