Did you think WD-40 was just for squeaky doors? Oh, how wrong you were. This legendary spray is not only a faithful companion for every garage master, but also a real survival tool in the modern world - almost as important as good coffee or reliable Wi-Fi. In this article, we reveal more than 20 ingenious ways to use WD-40 that will save you time, money and - believe it or not - a few gray hairs.
