LSI Guide To Lock Picking.pdf

A locksport primer

locksport international brings

you A Brief introduction to

lock picking

learn to pick locks with a visual

step-by-step guide

learn how to re-pin

a lock, make tools,

and more!

to learn more visit

www.locksport.com

distributed in its original format. this

document may not, at any time, be offered for

sale.

Written and compiled by Paul wragg and Josh

nekrep for locksport international

table of contents:

1. Introducing LSI.......................1

2. How Locks work......................2

3. re-pinning a lock....................4

4. the pencil trick.......................8

5. mechanical defects.................9

6. applying tension...................10

7. the binding effect..................11

7. possible pin states................12

8. a brief intro to tool making..13

9. where to buy tools................17

10. where to get more info.......18

11. why get involved with lsi.......19

12. lsi membership application...20

INtroducing Locksport International

From all of us at Locksport International, I'd like to thank you

for picking up this guide. We hope you will ﬁnd it helpful as

you take on the new challenge of learning to pick locks. But

ﬁrst, allow me to tell you a little about LSI.

In early spring of 2005 Josh Nekrep (digital_blue on

lockpicking101.com) approached Kim Bohnet (Varjeal, site

administrator on lockpicking101.com) with the idea of starting

a club with the purpose of bringing lockpicking enthusiasts

together and promoting the sport/hobby with face-to-face

interaction. At the time there were a couple large regional

clubs (SSDeV in Germany and TOOOL in The Netherlands) but

there was no broad-based club. Kim and Josh saw a need for

an organization that would be open to members all over the

world and set about making it happen. It was felt that it would

be easier and more e f ective for individuals to start a local lockpicking club if much of the groundwork were

already laid for them, and if they had the opportunity to share resources with other associated clubs. Kim

and Josh quickly recruited Devon McDormand (frostbyte on lockpicking101.com) to sit as Treasurer. After

much discussion (5 minute conversation on MSN) it was decided that Kim would act as President of the

association and Josh would take the role of Administrative Director. The term “Locksports” was adopted as a

means of distinguishing what hobby/sport lockpicking enthusiasts do from what locksmiths do. The three

founding members set about laying the foundation for what they hoped would someday be a large

organization. A short time later, Matt Fiddler and Doug Farre were brought on to sit on the board of

directors. Since then, LSI has worked to bring locksport enthusiasts together. As individuals come forward to

pioneer locksport groups in their area, LSI continues to grow and organize.

Locksport is a fun, challenging hobby, and one that is gaining ground around the world. Members gather

together to learn from each other, share tools and locks, research security vulnerabilities, and most of all,

have fun!

If you are interested in starting an LSI chapter in your area, see the "How To Get involved With LSI" section at

the back of this guide.

You may only pick locks that you own, or

those to which you've been given explicit

permission to pick by the rightful owner

locksport is an honest, ethical, and legitimate hobby. unfortunately, the whole

world hasn't figured that out yet (though we're working on it!). because the lay

person has a tendency to perceive what we do as somehow nefarious, it is extra

important that we commit to following a strict code of ethics. for this reason,

the above credo is non-negotiable in the locksport community. lock picking

should never, ever be used to illegal or even questionable purposes.

please do not misuse this information. we assume no responsibility for your

actions, and in no way condone immoral activity.help keep locksport fun for all

by following strictly the one rule.

page 1

an unmounted

(uninstalled) lock

THE SHELL

(upside

down)

HOW A LOCK WORKS

A pin tumbler Lock is composed

of several basic components.

the outer casing is called the

shell. inside a shell is a plug.

the plug has a keyway - the slot

where the key goes in - and the

whole thing has a series of pin

chambers.

The KEy

Pins

the key

hmm... this

isn't so

hard!

the

plug

page 2

the

spring

the guts of a lock

the driver

pin (top

pin)

a combination

of a key pin,

driver pin, and

spring is

called a pin

stack

the bible is the

area of

chambers above

the shear line

the key pin

(bottom

pin)

interesting fact:

this is a lock in

locked position (at

rest). driver pins

block the rotation

of the plug

modern locks were

invented by linus

yale jr. in 1861,

though the basic

design concepts

date back to around

2000 bc. yale's

design has remained

largely unchanged

since 1861 and is the

fundamental

principal upon which

nearly all pin

tumbler locks work

today.

the shear line is the

line where the top of

the plug meets the

shell

this is a

lock in the

unlocked

position.

driver pins

rest above

the shear

line

a little more

complicated,

but I think I'm

getting it!

page 3

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