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Chapter 8: Exercises
This chapter presents a series of exercises that will help you
learn the basic skill of lock picking. Some exercises teach
a single skill, while others stress the coordination of skills.
When you do these exercises, focus on the skills, not on opening
the lock. If you focus on opening the lock, you will get frustrated
and your mind will stop learning. The goal of each exercise
is to learn something about the particular lock you are holding
and something about yourself. If a lock happens to open, focus
on the memory of what you were doing and what you felt just
before it opened.
These exercises should be practiced in short sessions. After
about thirty minutes you will find that your fingers become
sore and your mind looses its ability to achieve relaxed concentration.
8.1 Exercise 1: Bouncing
the pick
This exercise helps you learn the skill of applying a fixed
pressure with the pick independent of how the pick moves up
and down in the lock. Basically you want to learn how to let
the pick bounce up and down according to the resistance oered
by each pin.
How you hold the pick makes a dierence on how easy it is to
apply a fixed pressure. You want to hold it in such a way that
the pressure comes from your fingers or your wrist. Your elbow
and shoulder do not have the dexterity required to pick locks.
While you are scrubbing a lock notice which of your joints are
fixed, and which are allowed to move. The moving joints are
providing the pressure.
One way to hold a pick is to use two fingers to provide a pivot
point while another finger levers the pick to provide the pressure.
Which fingers you use is a matter of personal choice. Another
way to hold the pick is like holding a pencil. With this method,
your wrist provides the pressure. If your wrist is providing
the pressure, your shoulder and elbow should provide the force
to move the pick in and out of the lock. Do not use your wrist
to both move the pick and apply pressure.
A good way to get used to the feel of the pick bouncing up and
down in the keyway is to try scrubbing over the pins of an open
lock. The pins cannot be pushed down, so the pickmust adjust
to the heights of the pins. Try to feel the pins rattle as the
pick moves over them. If you move the pick quickly, you can
hear the rattle. This same rattling feel will help you recognize
when a pin is set correctly. If a pin appears to be set but
it doesn't rattle, then it is false set. False set pins can
be xed by pushing them down farther, or by releasing torque
and letting them pop back to their initial position.
One last word of advice. Focus on the tip of the pick. Don't
think about how you are moving the handle; think about how you
are moving the tip of the pick. 8.2 Exercise
2: Picking pressure
This exercise will teach you the range of pressures you will
need to apply with a pick. When you are starting, just apply
pressure when you are drawing the pick out of the lock. Once
you have mastered that, try applying pressure when the pick
is moving inward.
With the flat side of your pick, push down on the first pin
of a lock. Don't apply any torque to the lock. The amount of
pressure you are applying should be just enough to overcome
the spring force. This force gives you an idea of minimum pressure
you will apply with a pick.
The spring force increases as you push the pin down. See if
you can feel this increase.
Now see how it feels to push down the other pins as you pull
the pick out of the lock. Start out with both the pick and torque
wrench in the lock, but don't apply any torque. As you draw
the pick out of the lock, apply enough pressure to push each
pin all the way down.
The pins should spring back as the pick goes past them. Notice
the sound that the pins make as they spring back. Notice the
popping feel as a pick goes past each pin. Notice the springy
feel as the pick pushes down on each new pin.
To help you focus on these sensations, try counting the number
of pins in the lock. Door locks usually have seven pins, padlocks
usually have four.
To get an idea of the maximum pressure, use the flat side of
your pick to push down all the pins in the lock. Sometimes you
will need to apply this much pressure to a single pin. If you
encounter a new kind of lock, perform this exercise to determine
the stiffness of its springs. 8.3 Exercise
3: Picking Torque
This exercise will teach you the range of torque you will need
to apply to a lock. It demonstrates the interaction between
torque and pressure which was describe in chapter 5.
The minimum torque you will use is just enough to overcome the
ction of rotating the plug in the hull. Use your torque wrench
to rotate the plug until it stops. Notice how much torque is
needed to move the plug before the pins bind. This force can
be quite high for locks that have been left out in the rain.
The minimum torque for padlocks includes the force of a spring
that is attached between the plug and the shackle bolt.
To get a feel for the maximum value of torque, use the at side
of the pick to push all the pins down, and try applying enough
torque to make the pins stay down after the pick is removed.
If your torque wrench has a twist in it, you may not be able
to hold down more than a few pins.
If you use too much torque and too much pressure you can get
into a situation like the one you just created. The key pins
are pushed too far into the hull and the torque is sucient
to hold them there.
The range of picking torque can be found by gradually increasing
the torque while scrub- bing the pins with the pick. Some of
the pins will become harder to push down. Gradually increase
the torque until some of the pins set. These pins will loose
their springiness. Keep- ing the torque xed, use the pick to
scrub the pins a few times to see if other pins will set.
The most common mistake of beginners is to use too much torque.
Use this exercise to find the minimum torque required to pick
the lock.
8.4 Exercise 4: Identifying
Set Pins
While you are picking a lock, try to identify which pins are
set. You can tell a pin is set because it will have a slight
give. That is, the pin can be pushed down a short distance with
a light pressure, but it becomes hard to move after that distance
(see chapter 6 for an explanation). When you remove the light
pressure, the pin springs back up slightly. Set pins also rattle
if you flick them with the pick. Try listening for that sound.
Run the pick over the pins and try to decide whether the set
pins are in the front or back of the lock (or both). Try identifying
exactly which pins are set. Remember that pin one is the frontmost
pin (i.e., the pin that a key touches first). The most important
skill of lock picking is the ability to recognize correctly
set pins. This exercise will teach you that skill.
Try repeating this exercise with the plug turning in the other
direction. If the front pins set when the plug is turned one
way, the back pins will set when the plug is turned the other
way. See Figure 6.2 for an explanation.
One way to verify how many pins are set is to release the torque,
and count the clicks as the pins snap back to their initial
position. Try this. Try to notice the dierence in sound between
the snap of a single pin and the snap of two pins at once. A
pin that has been false set will also make a snapping sound.
Try this exercise with different amounts of torque and pressure.
You should notice that a larger torque requires a larger pressure
to make pins set correctly. If the pressure is too high, the
pins will be jammed into the hull and stay there.
8.5 Exercise 5: Projection
As you are doing the exercises try building a picture in your
mind of what is going on. The picture does not have to be visual,
it could be a rough understanding of which pins are set and
how much resistance you are encountering from each pin. One
way to foster this picture building is to try to remember your
sensations and beliefs about a lock just before it opened. When
a lock opens, don't think "that's over", think "what happened".
This exercise requires a lock that you nd easy to pick. It will
help you rene the visual skills you need to master lock picking.
Pick the lock, and try to remember how the process felt. Rehearse
in your mind how everything feels when the lock is picked properly.
Basically, you want to create a movie that records the process
of picking the lock. Visualize the motion of your muscles as
they apply the correct pressure and torque, and feel the resistance
encountered by the pick. Now pick the lock again trying to match
your actions to the movie.
By repeating this exercise, you are learning how to formulate
detailed commands for your muscles and how to interpret feedback
from your senses. The mental rehearsal teaches you how to build
a visual understanding of the lock and how to recognize the
major steps of picking it.
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