I have a door that has a chain lock, like this:

enter link description here

Sometimes, my roomate locks me out with this thing. How can I be able to open it from the outside?

  • 4
    How do we know that you won't use this knowledge for evil? – Shevliaskovic Dec 10 '14 at 22:26
  • @Shevliaskovic Because I already know how to do it. They're very easy. – Kaz Wolfe Dec 10 '14 at 22:28
  • 2
    Call the police! It's illegal to lock out a legal tenant. – CRABOLO Dec 17 '14 at 1:05
up vote 13 down vote accepted

How to Open a Door Chain Lock or Bar Latch from the Outside

enter image description here

Image taken from the above site.

The one I believe in mostly is taking a piece of string and tying it to the chain, then threading it over to the outside of the door and pulling chain open. But I can vouch that all of these methods work.

For the rubber band method you can use a string that is tied, it doesn't have to be a rubber band. And if you are small you can stand on a stool and stick your hand in the door that is cracked and open the door that way. Wikihow also had a method, but it includes pushing against the door.

  • Oh really? .....should I ask if it's legal? ;-) – Shokhet Dec 10 '14 at 23:05
  • Cool. Sounds like you're one of the "experts," then ;-) – Shokhet Dec 10 '14 at 23:18
  • Whatever you know can help the site....I've posted a few Q/A sets (and one of those Qs is tied for third place for most votes) ....if you're looking to fill your commitment (10 posts), I'd advise you to post some Q/A sets, based on+linked with your Instructables and WikiHow posts. That would be pretty cool :) – Shokhet Dec 10 '14 at 23:38

For the type in this pic, with the door ajar, reach in with the key and unlock this chain that has it conveniently built-in for this very purpose.😁

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