More wages of Open Carry Texas. Missouri has pretty thorough preemption, but local communities are allowed to ban open carry of firearms:
A southwest Missouri community at the Lake of the Ozarks has banned the open carrying of firearms, even by people who have a conceal-and-carry permit, to avoid frightening off potential tourists.
I don’t know what’s been happening lately to give these folks the idea that people would be frightened off by the open carry if firearms. I doubt they get news from Texas all the way up there in Missouri.
There’s currently a bill sitting on Jay Nixon’s desk that would preempt all of this, but he’s not made it clear whether he’ll sign it. Think what’s going on in Texas is helping with that?