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How to Make Fully Functional Lock from Cardboard

Learn How to Create a DIY Cardboard Lock! Discover the secrets of crafting your very own fully functional lock using just ...
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How to copy a key and keep track of the doors they unlock: Video

Locked out? Lost your spare? Key not working right? Don’t call a locksmith — fix it yourself! Spare keys are great because they can come in handy in an emergency. Preparation is key, so don’t wait ...