When it comes to duplicating keys, everyone knows all it takes are a couple bucks and a trip to any hardware store, but it turns out you can actually PRINT a new one at home.

Watch as DaveHax gives us step-by-step instructions on how to copy them without ever having to deal with a locksmith. Just grab your key, your computer and printer, some scissors, and an empty tin can.

If you’re one to leave your keys in random spots, this makes a pretty compelling case as to why you should never do that again…

On second thought, I don’t understand why we even have metal keys anymore. We have passwords and even fingerprint scanners for our phones! We’re supposed to be living in the future, people.