"Twenty-three years ago, Louisiana added coconuts to the list of official Mardi Gras throws protected from personal injury lawsuits, ordering that the public assumes the risk of being struck "by any missile" traditionally thrown, tossed, or hurled by krewe members."
Also, the state legislature ruled that roosters were not animals to circumvent cock fighting laws.
There’s a web of similar Napoleonic Code caused loopholes in Louisiana law