47 Household Hacks That You Never Knew About Before

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Holes In a Padlock

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Have you ever noticed the tiny hole that sits quite close to the key hole opening at the bottom of a padlock? It’s actually there for a reason. The first one is to allow any water that might get into it the ability to drain out before it freezes in the colder months and turns into ice, making it almost impossible to open the padlock. And second, that tiny hole also allows users to spray some WD40 inside of it in case it rusts up and jams the lock altogether. The next time you notice one of your locks is very hard to open, use some WD40 on it and see if that doesn’t open it right up!