1Three elastic aluminum plates strengthen and support back, long aluminum plates support spine, and two curved aluminum plates support waist. 2Better support and correction of back, upright posture, better looking figure. 3Intimate antistroke pad protects soft antistroke pad close to curve of shoulder to disperse pressure of lead belt. 4Fixed shoulder force points form a horizontal pull perpendicular to the body to open the shoulders. 5Upward, loosening and downward adjustment and tightening, can adjust tightness according to own situation, and doublestrap stretch can adjust shoulder and back tension freely and choose comfortably.
