You may also need to tilt the knife a little till you find the suitable angle for moving the lock.
How to open a locked bedroom door with a knife.
Slide the knife until you find the door s bolt.
Insert that end into the keyhole then bend the pin so it s flush against the outside of the lock.
Sharper knives are very dangerous when you re attempting to open a locked door because there s a possibility of you injuring yourself during the process so stick with something that s not totally serrated.
Rotate the key until it fits into the slot in the button then turn the key just like turning a screw.
Pry open the latch by sweeping the end of the knife and moving the latch inward.
Here is another life hack for you.
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.
Open up the bobby pin so it bends at a 90 angle and shave off the rubber tip on the straight end with a knife or razor.
Make a hook at the end of a second pin to create a tension lever.
Take the butter knife and slide it between the door and the door frame starting about three inches at the top of the door knob.
If you accidentally locked your bedroom door lock bathroom door lock or any other door in your house though a butter knife is certainly one of the best methods to open it without a locksmith.
Apply pressure on the lock using knife and push it back in the door.