Evaporative Cooling

http://www.selfrelianceoutfitters.com
http://astore.amazon.com/davecante-20
Dave Canterbury, David Canterbury, The Pathfinder School,Bush Craft ,Survival skills, Historical Lore, Primitive Skills, Archery, Hunting, Trapping, Fishing, Navigation, Knives, Axes, Fire, Water, Shelter, Search and Rescue