Looking for info on this charcoal briquette powered heater. It opens up like a clamshell and takes a single briquette. Came across it in a garage sale for $1 today. [inexpensive] :
Hand Warmer Unit plus 12 Solid Fuel Charcoal Handwarmer Refill Sticks Highlander | eBay
Mini Pocket Warmer at low prices | Askari Hunting Shop