I needed to lock a toilet door from the inside the other day and there was no lock.
How to make a lock on a door.
To fix this add a custom cut plate or a door reinforcer.
Not being able to wait for shipping i improvised using a bit of kitchen hardware.
This should lock the door but turn the knob to make sure.
If the knob turns and the door opens then you didn t lock the door.
Many new lock sets allow you to adjust the latch to either distance.
You ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with.
And if you want extra added security consider electronic door locks or even smart locks.
The handedness of most locksets can be changed by using an included tool.
To unlock the door simply twist the button counter clockwise as far as it will go.
Make sure that the door is locked.
Select a lock with the same setback.
Try to turn the doorknob and push the door open.
After a bit of research i found a device in which you can use the door latches hole.
Lock a door without a lock.