I like to celebrated Easter with some shooting or hunting. The folks in Upper Lusatia and southern Austria take Easter shooting to an entirely new level.
A tennis ball sized piece of calcium carbide and a few millimeters of water are placed in those barrel. The calcium carbide reacts with the water producing acetylene, a highly flammable gas. The barrel has a small touch hole to allow ignition of the gas.
[ Many thanks to Sven (Defence and Freedom) for emailing me the the info. ]Related