Bike locking. You can use the best gold rated bike lock on the market, but it will not be fit for purpose if you do not use it correctly
How to lock a bike - Reformed bike thief's tips
5 Creative Ways to Protect Your Bike from Theft - We Love Cycling magazine
How to lock your bike - correctly - Stolen Ride
Where to Put Your Bike Lock When Cycling
How to Lock a Bike (and Stymie Thieves)
Lock it or Lose it! How to Lock Up Your Bike (Properly) – Oaks & Spokes
How to stop your bike from being stolen
Bicycle Parking Security Transportation Services
Bicycle Parking Security Transportation Services
How to lock your bike securely – Pro Velo
How not to lock your bike