Hmm...answered you once, but don't know what happened to it.
Here ya go, www.biomat.com/
They aren't cheap, but they do help a lot with pain and stiffness, and maybe kill off some of the herd. I don't know if I have a flu bug or what this week, but I've had a lot of pain all over and 2 or 3 times on the mat with high heat has helped a lot. I'm not feeling it much today.