You’d Never Believe You’ve Been Using These Extremely Common Objects Wrong The Whole Time
The Magic of the Padlock Hole
Almost everyone knows that most padlocks are designed with needle-sized holes at the bottom. This ensures that the lock drains well if it gets wet. Because the padlock does not have room for expansion, it could easily rust or freeze, causing damage and making it impossible to open without thawing.
If the key is not turning, it is likely because of rust accumulation. In this case, you could put a few drops of oil into the hole of the padlock and watch it work like magic.
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