[tapu]

I learned this in Guatemala, and I've seen people in Mexico and the American SW do it, too.

Wring out two wet washcloths and put them in the freezer. Once they're frozen, drape one over the top of your head or lay it across the back of your neck. Alternate them in and out of the freezer so you always have a fresh, cold one.

I mowed a lawn in Palm Springs doing this. It's great if you really need to get something done, in the heat.