Don't make the mistake of thinking pouring a standard hot sauce on fried chicken == nashville hot chicken, though. This is what a lot of restaurants that don't specialize in hot chicken have done to jump on the craze, and it's not at all the same. Those sauces will have a lot of vinegar which affects both the flavor and texture negatively. Nashville hot chicken traditionally is coated in a mixture of lard (or oil) and cayenne.
I had more in my last paragraph but removed it so I wouldn’t confuse anyone. I’ll just give the marinade I like the most, that one and the one where you just use pickle juice overnight.