Bump open a tumbler lock.
How to pop lock on door.
Slide it in between the door and the frame of the door.
And remember use this on your car not a stranger s.
Another option for doorknobs that are designed to have a lower level of security i e this probably won t work on the front door of your home is to remove the doorknob and disassemble the lock.
If the door is locked with a bolt in addition to a lock in the door knob you are going to be out of luck at least when it comes to using a knife to get it open.
Or if you don t want to give money to a locksmith and you re feeling your own handiness you can do this.
Bumping a lock does take some practice and especially in the case of cheaper locks it.
Bumping a lock is a quick simple lock picking technique that is useful in the case of having to open a door that s been closed for a long time for example of an unused home on family property or if you need to break into an elderly relative s house to make sure they re okay.
However you should be able to open a typical lock if it uses a spring loaded latch system or has a button lock.
Locks that are nested on the inside panel of the door are unreachable with this trick.