But there is no tilt sensitivity adjustment, so for those with moderate posture problem or want to fine tune their posture.. this thing just won't buzz unless you way off the tilt and becomes useless.there is also no vibration intensity or variation adjustment that's available in a lot of similar products

I have had posture problems since my time in Vietnam

Won't solve all your posture problems, but will keep you from slouching.

Fixed my posture problem right away

For those who have moderate to severe posture problems and need an feedback reminder to alter their posture

It didn't solve my posture problem.

For men who work in offices and wear t-shits (a pretty large markets), this is a significant problem

n’t work well

n’t notice it had fallen off until a few minutes later

but they offer good e-mail support and videos.

but they offer good e-mail support and videos.