>>106986621
>You can also add a stress relief mat to stand on as well.
Highly recommended. Those more evenly distribute the pressure along the entire soles of the feet.
Which means less development of calluses or risk of cramps in your feets' muscles.

You also have to take off your shoes to gain any benefit from them, which means if you have properly stinking sweaty feet it also keeps obnoxious co-workers at a safe, non-speaking radius.