Never seen a sign, if it was me I wouldn't worry about it.
“Give a man some BBQ and you feed him for a day.
Teach a man to BBQ and you feed him for a lifetime.”
--Swamp Boys Proverb
Sponsored by Yoder Smokers, BBQR's Delight, 3 Eyz, Butcher BBQ, Big Poppa Smokers, Grizzly Coolers, Wicked Q