Originally Posted by L-1011
The point of my post was that all TSA locks are padlocks, and they don't really fit very well on a hard-sided suitcase (unless I want to add hardware and/or drill holes in my suitcase). For us old-timers who insist on using the old fashioned suitcase, there are no alternative means to leave the suitcase unlocked.
Then you might want to check out
this link on the same site. It's a locking luggage strap designed with hard-sided suitcases in mind.