As soon as I put the brace on I could feel the support. It makes me sit better and helps with my back ache. It is an adjustable brace with velcro to hold it in place. And after you get the main part of the brace in place there are 3 elastic bands on each side that you set to help support and releave your back. #Rankboosterreview #Sponsored #AVESTON https://www.amazon.com/Back-Support-Lower-Brace-provides/dp/B01GS08CK0?th=1