1Convenient hook & loop, stick firmly and not easy to loosen, knee protection pad, protect knee friction. 2Threestage separation design at the same time, uniform force arbitrary adjustment position. 3Help you correct bad walking habits caused by the formation of ugly leg curve. 4Balances your leg muscles to make your legs straight. Convenient to use. 5Can be used when watching TV, studying, sleeping and resting, easy to use.
