I'm a Lumberjack and I'm Okay, Keeping Toasty-Warm Thanks to My Giant Bloody FurnaceS

Those Canadian lumberjacks must know a trick or two about staying warm. While gadgeteers console themselves in heated jackets and Slankets, lumberjacks were out there slapping bits of steel together to create the Bullerjan furnace. Toasty. [Bullerjan via Uncrate]