How to unlock the lock with a 5 liter bottle


We’re sure you’ve come to a situation where you needed to open the lock, but you only had one key that you just can’t access at this point. Or in the foreseeable future you can’t visit the key service to make a copy of the key. In the extreme case 5 liter PET bottle will help you. This video will show you how.

What you need

  • 5L PET bottle
  • Scissors or cutter knife
  • Pliers
  • Lighter
  • Ducktape
  • Ordinary knife

How to do it

  1. Cut aprox. 6x6cm piece from the finnest place of 5L PET bottle
  2. Take your original key by pliers and heat key by lighter
  3. A black coating appears
  4. Wait till key isn’t hot
  5. Overlay the key by ducktape and squeeze
  6. Detach ducktape from key
  7. Stick ducktape with decal to 6x6cm PET piece
  8. Cut piece according to decal
  9. Insert your created key to lock
  10. Insert ordinary knife to the bottom of keyhole and twist

Here you can find how designate your brand new homemade key.
In this video you can see some great ideas how to reuse 5L plastic bottle.


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