Quick tip: the rag does NOT go into the mouth of the bottle. It goes wrapped or tied to a CLOSED bottle. If the bottle is open and the rag in the opening, you risk splashing the liquid on yourself and your friends when throwing
Not from the supermarket, but from the camping dept. Come in a waterproof cylinder to store them. Coughlins makes them, probably the easiest to find, Walmart or any outdoors store.
You know that storm proof matches have a layer of oxidizer on the stick so that they can burn in any conditions, even under water, right? It’s not your regular matches