Have you ever been in a situation where you lost your keys? Be it keys to your car, your house, or other personal padlocks? This easy-to-follow video tutorial by Dave Hax will save you from days of woe; calling the locksmith will surely be a thing of the past.

Hax will teach you how to make an emergency spare key. How?

You can make your spare key out of the lid of a tin can! This key is so compact that you can keep it right in your wallet. Just by holding the original key over a flame, and then taking a tape over the charred part of the key, you can make an outline of the original key. Finally, put the tape on the lid of the tin can and cut it up by following the outline.

For a more detailed tutorial, watch and share the video below.

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