product description 1. An easy-to-use leg stretcher that improves your leg flexibility, balance and range of motion with a natural body posture. In just a few weeks of consistent use, your friends will notice a dramatic improvement in your movement. 2.MAKE STRETCHING MORE COMFORTABLETrain with confidence. Using high quality materials will not damage anything 3.EASY MOBILEFlexible device ready to use in seconds: place the door anchor on any sturdy doorpost, close the door and pull the strap through the D-ring, and you can take your posture to the next level . Like a portable stretching machine 4. Suitable for beginners. Does not damage the door and stays put. This leg stretch device won't scratch or damage your door, and it won't move or slide when you stretch your legs.