Everything You've Ever Wanted to Know About desk foot stool
http://cashqicj059.angelfire.com/index.blog/1688127/the-most-hilarious-complaints-weve-heard-about-dr-foot-ergonomic-wood-stool/
I bought this to put below my desk to relaxation my feet to guidance my back.. the rest slides forwards and backwards- will likely not keep in place. It adds stress to my back again and causes it to be even worse.