Sites about recreational activities around locks, from collecting to picking, also known as "Locksport".
Toool - Netherlands
The Dutch chapters of the Open Organisation of Lockpickers. Includes details of the LockCon conference and scheduled gatherings.
Lock Picking 101
Forum providing information on locks and picking techniques. Includes sections on hardware and locksport.
Guide to Lock Picking
Formerly known as the "MIT Guide to Lock Picking". Describes how pin tumbler locks work and basic picking techniques. HTML, PDF and Postscript versions.
Designed as a reference for both the security and compromise of locks and safes. Beginners and advanced sections.
The day in the life of a UK locksmith. Includes tips, tricks and interesting jobs.
Blog following the life of a self-employed locksmith in the Pennines, UK. Includes stories, humor and security news.