This product is not for you. The straps are too wide to fit under the arms. The material is too stiff and wide to fit comfortably under the armpits. Not sure if the pads on the straps should go into the armpit or over the shoulders. In any case, it is most uncomfortable when worn somewhere near or in the armpit. If it's supposed to be a shoulder strap I'm not sure why they added it as it doesn't put any pressure on the shoulders. All the pressure is on that absurdly uncomfortable, hard lump of material stuffed into your dimples. If you can force yourself to wear it long enough it might help correct your posture, but I couldn't. I took it off after about 15 minutes when I was feeling uncomfortable and moody. I already have back problems, I don't need problems with a pit stop. If you don't mind having a thick piece of hard rubber stuffed under your arms, then blow your mind.
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