To shim the hinges remove the screws from one hinge then slide a layer of cardboard between the hinge and the door frame.
How to shim a door lock.
Because the latch is live it can be pushed back by the shim retracting the latch without turning the knob.
How to shim a door you only need one piece of equipment to pull of this technique assuming it will work in your situation.
There are only two items required to shim a lock.
In the photos above i am demonstrating from the interior of the door.
Once you hear a click similar to that of when you pull an unlocked shackle out of its housing the lock will be able to be opened.
A shim is just a thin piece of material that is introduced between the latch and strike plate.
If you can t seem to get the lock open with one shim try two.
If you are attempting to shim this door you will not be able.
That piece of equipment is a somewhat tough yet flexible piece of plastic.
On the one hand you need a blank key that fits into the lock cylinder and on the other hand you ll need a lock shim.