Anyone got a shoulders back?

[paton_j192]

Hello,
Just wondered if anyone had a shoulders back thing? And if so are they any good?
I feel that my posture could do with improvement and was wondering what experiences anyone had with them?
Thanks

 

[sloulou]

I have one...

It is ok and I use it sometimes, but it does feel like I am sitting in a slightly artificial position... also quite expensive for what it is...

I have used it when am sitting in front of the computer - which at least stops me slouching