The History of Locks and Why We Lock Our Doors
Schuyler Towne · Talk · 51 min · 2012 · YouTube title: "Why do you lock your door?" - RVASec 2012
Why it's here
HN commenters call it a passionate and educational history of locks and physical security, and a good starting point for the subject.
What it covers
Locksport historian Schuyler Towne's RVASec 2012 talk on why people lock their doors, tracing the history of locks and the assumptions about security behind them.