Sue

You are right on the heating and burning thingies. I once decided to smear myself with capsacian....felt nothing for a day and a half.....well, then it kicked in and I felt I was in an oven at 450 or broil for 48 hours! I don't like capsaicin...it feels just like my burning PN....foo on that. (Also never, ever put it next to your k-y gel.)

And yes, PNers, spinal cord injuries etc, do burn without notice.

I need something to keep my feet warm in 2 feet of snow....at home I use 2 pairs of gigantic socks...and a heating pad over that...but I don't sit still long enough to burn myself, plus my heating pad turns off automatically...that is a great idea...a pain because I will get cold, but great safety device.