Haha. What about a pager ("beeper") holster. Are those old enough to be acceptably "retro" yet?
I get that. I was just on a little tangent in regard to what NJS was saying.
^
Bumper sticker.
That my friend, is a fantastic idea.
In my world, it's always just a suit my friend! Probably why I don't emulate the 1930's. Though I do find some pretty rad looks from that era.