I'm figuring maybe one of the reasons so many criminals are bringing guns onto premises posted as "gun-free" zones might be because the signs aren't clear enough. In the interest of making sure every possible effort to communicate and clarify things so no mistake about intent can possibly be made, well, I just hope this helps:
I hope this clears things up. If not, I'll admit I'm stumped. Maybe we should be thinking of a totally different approach...?