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How To Pick A Yale Lock
First, let's know how a lock works. I'll only be talking about the common pin-tumbler lock (usually referred to as a Yale lock, after its inventor in 1860). This is the kind you possibly have on your front door, with a key having a series of mountains and valleys of different heights. While your key may slide into other locks, the height of those bumps causes whether or not it will turn.
Brass pins stop the lock cylinder from whirling and un-latching the door. Each pin is in two parts, and has to be lined up precisely for the cut in the pin to align with the edge of the turning cylinder. If even one of those pins (most of the locks have five) is too high or too low the pin will bind and hamper turning.
The right key matches the cuts in the pins to set everything in alignment. If you've ever dealt with an old lock, or a poorly cut key, you might have to jiggle the key to get the lock to work. That's actually very much like the process of picking a Yale lock.
Basically, finding out how to pick a Yale lock you randomly move the pins up and down until you get them to the right height. However, if they move easily up and down it seems unlikely that you'll suddenly find them all aligned at once. In case you did, you would not know if you didn't turn the lock then. So, step one of picking a lock is to apply some torque.
You turn the cylinder of the lock, twisting it with a small screwdriver, so that the pins are gripped against the chamber walls. Now, with friction the pins will not slide freely up and down, however can be moved by tapping slightly with your lock pick. (an advanced lock pick will have a small steel spring attached so you can 'twang' it and create a subtle tapping movement).
The torque should hold that in position when you move to the second pin, and so on.
For any modern day Houdini picking a standard Yale lock is not too big a challenge, which is why a lot of apartment buildings and offices use more advanced locks (for instance Medeco brand). These require precise pin rotation in addition to height.
How To Pick A Yale Lock
First , let's understand how a lock works . I'll only be talking about the common pin-tumbler lock ( usually called a Yale lock , after its inventor in 1860 ) . This is the sort you likely have on your front door.
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