Blackroll Posture 2.0 (Xs-L) Posture Trainer For Improved Posture, Back Trainer For Strengthening Muscles, Posture Corrector In Workplace, With Adjustable Back Element, Black hidden Adds just enough stability to

Adds just enough stability to knit T-shirts

it does not mark under clothing like other correctors

use with Faith wall plates (sold separately)

5 Inch 4 Inch Large Spring Snap Hooks

Blackroll Posture 2.0 (Xs-L) Posture Trainer For Improved Posture, Back Trainer For Strengthening Muscles, Posture Corrector In Workplace, With Adjustable Back Element, Black hidden Adds just enough stability toBLACKROLL POSTURE 2. 0 (XS L), posture trainer for improved posture, back trainer to strengthen the muscles, posture correction at the workplace, with adjustable back element, black < h3>Product Features STRAIGHT BACK: In contrast to a straight holder, the back strap from BLACKROLL uses light pressure against the shoulders to remind you to straighten them again if your posture is poor. IMPROVED BREATHING: The back stabilizer stretches the chest