1Scientific correction uses physical traction to relax the tight knee ligaments. 2New double pull-ring pull-out design is more convenient and labor-saving, and the elasticity is easy to adjust. 3There is a deck on each side, and there are two supporting decks in total, with dual force design. 4Fiber material, soft and comfortable, can be used when watching TV, studying, sleeping and resting. 5Help you correct unsightly leg curves caused by bad walking habits.
