Books

• Expedient B and E: Tactics and Techniques for Bypassing Alarms and Defeating Locks - Carl Hammer

• The Use of Locks in Physical Crime Prevention - James M Edgar and William D Mclnerey

Contests, conferences, and events

• OzSecCon - Open community event focusing on physical security in Australia, which hosts a lockpicking and handcuff evasion competition.

How-to lockpicking guides

• LockLab's Lock Picking Course - Complete start-to-finish course from basic tensioning to speciality lock techniques.

Locksport associations and organizations

• Sportsfreunde der Sperrtechnik - Deutschland e.V. - German lock picking sports club who hosts the german lock picking masters and offers workshops on how to pick locks.

Novel lock attack techniques and research

• SpiKey - Acoustic-based physical key inference.

Books

• Eddie the Wire books

• Keys to the Kingdom by Deviant Ollam, 2012

• Lock Picking: Detail Overkill by Solomon

• Practical Lock Picking by Deviant Ollam, 2012

• Practical Lock Picking: A Physical Penetration Tester's Training Guide - Detailed instructions and exercises designed for professional physical security specialists, consultants, and red teams.

Online resources

• Schuyler Towne channel - Lockpicking videos and security talks.

• The Amazing King's Lockpicking pages - Hobbyist's website with detailed pages about locks, tools, and picking techniques.

Books

• Locks, Safes and Security: An International Police Reference - Information on locks, safes and security by Marc Weber Tobias.

Hobby projects

• Lock Dice - In this dice-based locksport game, as a budding lock maker you have set out to test your designs against your peers.

Online resources

• Dark Sim 905's Lockpicking pages - Personal website of a knowledgable hobbyist discussing a variety of picking and bypass tools.

• Raking Techniques - Raking techniques illustrated with awesome animations.

Vendors

• Peterson Locksmith Tools / Peterson Manufacturing, Inc. - Manufacturer of precision lock picking tools and accessories; their top-of-keyway turning tools are famous but overpriced (you can make your own).

How-to lockpicking guides

• Beginner's Guide to Security Pins - Short article guiding beginners comfortable with picking padlocks towards an understanding of more complex locks.

• Lock Picking: Detail Overkill - Exceptionally thorough guide "for those who want more than just the basics."

Vendors

• Spooxe - German retailer of lock picking tools, tool cases and locks.

Hobby projects

• Under Door Tool Kit Instructions - Short guide to constructing an under-door ("lever opening"/"Mule") tool using material available at a typical hardware store.

Hobby projects

• DIY Lock Pick Set from a Windshield Wiper - Illustrated guide to building a custom lock pick and tension wrench from windshield wipers.

• How to Make a Set of Lockpicks! (using street sweeper bristles) - Instructions for using discarded street sweeper bristles as material for dual-sided turning tools and picks.

• Making Tension Wrenches/Turning Tools From Old Windshield Wiper Blades - Instructions for turning old windshield wipers into any of a variety of lock pick types and turning tool styles.

How-to lockpicking guides

• BosnianBill's Lock Picking for Beginners - YouTube playlist of selected instructional videos sorted in order from first principles to techniques for specific locks.

Vendors

• Lock Pick Canada - Canadian retailer carrying a wide range of manufacturers, including Souber dimple lock picks, a manufacturer that only sells to other businesses.

• Lockpick Extreme - Retailer notable for their lockpicking accessories featuring earrings and other jewelry that also function as sturdy tools.

How-to lockpicking guides

• Locksport International Guide to Lock Picking - Locksport primer in the style of a comic book, with photographs and speech bubbles.

Locksport associations and organizations

• Fraternal Order of Lock Sport (FOOLS) - Lock picking club established to serve Bloomington, Indiana and surrounding areas.

Vendors

• Security Snobs - Retailer of numerous high-security, collector, and cutaway locks who also maintain some informational pages about locksmithing.

Contests, conferences, and events

• LockCon - Annual, invitation-only international conference about locks for members of respected locksport organizations.

Hobby projects

• 3D Printed Lock Picks - Print lock picks made of plastic materials that, while weak, will survive at least several uses. (Find more digital models.)

Online resources

• Lockpicking Forensics - Website "dedicated to the science and study of forensic locksmithing."

How-to lockpicking guides

• CIA Lock Picking Field Operative Training Manual - Guidebook covering terminology, tool use, and techniques for picking the vast majority of pin and wafer tumbler locks.

Contests, conferences, and events

• DEF CON - Annual infosec industry conference which is popular with many lockpickers featuring a locksport contest.

• Hackers On Planet Earth (HOPE) - Annual conference often featuring a locksport competition and presentations on physical security.

How-to lockpicking guides

• Easy Pickings - Mini Lockpicking Manual - Widely-distributed beginner's manual with diagrams showcasing how to pick various entry-level locks.

• MIT Lock Picking Guide - Famous introductory text by Ted the Tool.

Online communities

• Keypicking.com - Bustling online forum for the discussion of lockpicking and locksport.

• LockWiki - Community-driven reference for both beginners and professionals in the security industry.

• /r/lockpicking Subreddit - Subreddit dedicated to the sport of lockpicking.

Vendors

• Southern Ordinance / Exit 10, Inc. - SouthOrd® is a manufacturer of lock picks and professional locksmith tools; individual replacement picks as low as $1.50 USD.

• Sparrows Lock Picks - Manufacturer of specialty and quality lock pick tools; their King Pin pinning tweezer is particularly useful.

Vendors

• Learn Lockpicking - Retailer of speciality practice locks, lock stands, and more.

Contests, conferences, and events

• Chaos Communications Congress (CCC) - CCC hosts the German Lockpicking Championships.

How-to lockpicking guides

• Art of Lockpicking - Educational website with animations detailing the process of picking locks.

• Deviant Ollam's Lockpicking Video Presentations and Advisories - Collection of physec talks and locksport advice for all skill levels from a world-reknowned expert.

Locksport associations and organizations

• The Open Organization Of Lockpickers (TOOOL) - Worldwide association of lockpickers with national, regional, and local chapters.

• Locksport International - International association of lockpickers who offer help starting new locksport clubs and groups.

Online communities

• Lockpicking101.com - One of the longest-running online communities "dedicated to the fun and ethical hobby of lock picking."

Vendors

• Safe Ventures, Inc. - Retailer for safe-opening tools who also offer paid training courses.

• Southern Specialities - Retailer of numerous lockpicking sets, pick guns, and more.