Insert the knife between the space in the door and the frame where the lock is situated since knives are thin it should easily slide in between the lock and the frame.
How to lock your room door with your mind.
Lock the door from the inside.
Taking the time to learn how to lock a door without a lock can help you improvise emergency locking solutions in dire times like active shooter situations and it can be the very thing that helps save your life.
Find the push lock or twist lock button on the inner doorknob.
Apply pressure on the lock using knife and push it back in the door.
You may also need to tilt the knife a little till you find the suitable angle for moving the lock.
If your knob has a push lock.
Block the door from the inside with a door barricade jammer or a wedge.
You should see a small cylindrical button protruding from the center of the knob.
There are professional security devices designed for this.
You don t need a key to lock most doors from the inside.
Some of these devices also contain an alarm which can get triggered if anyone tries to open the door.
This should lock the door.