Occasionally when someone comes over, they will open my door with a dollar coin. This is a pain, and sometimes I am working on something private when they open the door. I would like to be able to make it unopenable with a coin without unscrewing anything. One of my ideas is to wedge something in the lock, but then I might not be able to unlock it.

  • 4
    you need to provide pictures of the door lock.
    – Hobbes
    Mar 24 '21 at 7:12
  • 1
    From the description, you are inside the room when they come in? Wedging the door will be easier than wedging the lock. Mar 24 '21 at 9:54
  • 4
    Have you tried asking them to respect your privacy? Mar 24 '21 at 11:12
  • 1
    How many people just happen to have a dollar coin in their pocket? This sounds premeditated. Mar 24 '21 at 21:59
  • 1
    @MawgsaysreinstateMonica most Canadians and Australians, probably, except for a few who don't carry cash
    – Chris H
    Apr 1 '21 at 14:03

At its simplest, a door hook on the inside of your door will do the job for about $2. at a hardware store. You twist the hook into one side of the door and the loop on the door frame (or vise-versa).
No tools needed.

![![wire door hook also enter image description here

… A simple request on the outside of your door.

Good luck.

  • 2
    LOL, a two-for-the-price-of-one answer! Have a double upvote!
    – Stephie
    Mar 24 '21 at 19:47

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