Many people prefer to hide a spare key to their house or car, in case they get locked out. That is not necessarily the best idea. If ever you were caught in a jam, spare keys can serve as lifesavers. With no time to run to the hardware to have a key cut, this DIY can come in handy. DaveHax shows us the easiest way to copy a key.

First, he holds the original key over a lighter. He burns it until it gets a black coating then he sets it aside to cool. Next he takes a print of the key. He uses a piece of tape to press down on the key for a couple of seconds to make an impression. When he removes the tape, a detailed image of the key can be seen.

Next, he cuts off of a lid of a cleaned can. He then sticks the tape with the image onto the can. He takes a sharp scissors and cuts out the design of the key. The end result perfectly matches the original.

He explains that since the key is thinner than the original, be careful not to twist too much. He also tries it out and it works!

Who knew that copying a key was this easy?

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