Why You Should Forget About Improving Your leg rest

http://manuelojer793.over-blog.com/2019/07/the-best-advice-you-could-ever-get-about-foot-rest-adjustable.html

I bought this to put under my desk to rest my feet to support my back.. the rest slides back and forth- will not stay in place. It adds pressure to my back and makes it worse. Not a good footrest.