Before you get into the weeds of trying to open your luggage lock without knowing the combination code, contact the manufacturer to see if it can help.

Here's everything to know about setting combination locks on your briefcase and luggage, including what may happen if a lock isn't TSA approved.

At first I blamed a grain of fine Fiji sand. I mean, why else would the lock on my suitcase stop working for the first time in almost 10 years?