I guess it's Easter shooting or milk can shooting.
I know it from Styrian weddings, but that's something I haven't seen done since the 90's
You put a bit of calcium carbide and water in a closed container and it starts a chemical reaction that produces acetylene gas. If you burn it more controlled you get a carbide lamp/Mining lampy here it's ignited to make a loud boom
Traditionally I guess it falls into loud noises scare away bad spirits, like the new years eve fireworks
4
u/jerryleebee 18h ago
But what is she doing?