Discover how you can use a can of coke as a penetrating oil substitute on rusted nuts and bolts.
Ernst Erbe — an El Paso, Texas, reader reminds us that that cola can be a quick substitute for penetrating oil when you've got a rusted nut and bolt. Just soak the parts in the soda overnight, and the next day they'll come right apart, just as if they'd been soaking in the real thing.
El Paso, Texas
(Country Lore, October 1985)