As long as you have 2"s of exhaust the style doesn't really matter. I like to close off my intake and exhaust when I'm done a cook in order to save the unburnt lump. A puck works for me but there are lots of variations on damping down the barrel.
BTW- here's my latest drum-de-le-icious attempt.
Sour cream and brown sugar coffee cake with a bit of Maple smoke!
