Rapping is a non destructive method of opening a pin tumbler cylinder without affecting internal components.
Open a lock on a door non destructively.
Inside is a small button that needs to be pushed to unlock the door.
Light torque is applied to the plug or cam with one hand the other hand uses a rubber mallet to gently hit the bottom of the cylinder.
If the lock is paired with a reinforced strike plate this method will not work because the strike plate will essentially be barring access to the slanted latch.
The entire lock assembly can then be slid out.
You simply need a straight stiff.
Professional locksmiths often face the problem that a door has been locked and it is no longer possible to open it non destructively.
In such a case it is necessary to damage the cylinder in order to open the door.
The non locking side of the door should have a small hole likely on the face of the knob.
Poke the open tip into the lock.
Any decent locksmith should at least try non destructive efforts first before resorting to drilling.
Open a locked door with multipick opening entry tools.
Look at the door hinges.
Paperclips are a great tool when you need to unlock your bedroom door lock.
If you usually carry around paperclips in your school backpack or your work bag then you re fully covered.
To rap a lock.
If you can see the door hinges you can open the door.
Most american locks are easy to disassembly in this way but many european profile locks do not have exposed pin chamber screws or casings.
Squirt the powder into the lock the graphite will make the lock easier to open.
With years of experience we are able to open almost all types of lock non destructively from rim cylinders and deadlocks that you would commonly find on wooden doors to euro cylinders on upvc doors and everything in between.
When you insert the screwdriver in the hole where the lock is jiggle the screwdriver around until you hear the lock unlocking.