Extra smokes, cz magazines, the wallet with the important stuff that never gets carried around, parking hang tags for 2 universities (currently - have been up to 5) and a half dozen lens wipes. It stays locked so other people's booger pickers stay out of it. I know of it's construction so if fast opening is needed, it can be done. The contents will most likely eject themselves all over if forcefully ripped open though.
