1. MOVING SHOULDER PAD FOR MORE COMFORT The shoulder pad of the upper back support is designed to move with you, effectively distributing shoulder pressure and reducing friction in the armpit. This feature ensures comfort and protection for your shoulders when wearing. 2. ADJUSTABLE WAIST SUPPORT With 4 adjustable gears for waist support, you can flexibly adjust the level of support to your needs, enhancing the comfort and effectiveness of the posture corrector. 3. DOUBLE KEEL SUPPORT FOR BACK STABILITY Featuring a double keel support, this posture corrector helps stabilize your back, promoting better body alignment and maintaining a more stable posture. 4. COMPREHENSIVE SUPPORT TO IMPROVE POSTURE This back stretcher provides support for shoulders and back, playing a crucial role in preventing humpback and spine curvature while promoting proper sitting, standing, and walking posture.