I saw these in use in a few places while in Europe. They draw attention, but their main purpose is to DETER theft (as opposed to prevent it) and I feel like they probably accomplish that unless you have a very motivated thief. I would see if there are any lockers available where you will be leaving your pack before shelling out the money for one of these. It's also worth mentioning that you can accomplish the same thing with a bicycle cable lock or make your own with cable, it will just need to be wrapped fairly tightly around the pack to work.




. I like your idea of the cable, and would rather not draw any attention.
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(a Cusqueña)
