 An open shirt, a shirt untucked, a vest. I don't care what it is. I don't know what it is. Fanny pack. Practice your draw. And in the process, guess what you get to do? You get to practice reholstering. And oh, pro tip here. If it takes you two hands to reholster, we got a problem. If you have to somehow hold your holster open to reholster, we got a problem.