Hi, My question is whether to lock or not to lock our luggage. I know the only luggage locks the airlines approve are the TSA locks. They have a combination only you know but airport security can open the locks with a master key if needed. The locks are around $7.00 a piece times how many suitcases you have. It can be expensive if a whole family is traveling together. Still, if you buy souvenir's or gifts, you don't want to take a chance that they will get stolen. I was wondering if any of you use these locks or just take your chances with unlocked luggage. Thanks for your help!