To open a locked bathroom door from the outside place the point of a butter knife into the keyhole if it s a push button lock and turn the knife sideways.
How to get into a locked door from the outside.
Put the credit card into the side of the door.
If this doesn t work put a straightened out bobby pin into the lock.
You want to make sure that the card is perpendicular to the door.
If your bathroom door has a button lock from the inside and a little hole on the knob on the outside as seen in the above video then a screwdriver can certainly help you out.
Then turn the door knob and shake the pin which should cause the lock to open.
You re going to need a screwdriver with a skinny rod because the thicker rod won t be able to fit through the hole.
Slide the long end of a credit card in between the door frame and the locking side of the door just above where the lock enters the frame.