FYI, if you watch Noah's brisket video, he uses two hooks in a vertical ladder fashion. He puts a hook in lower that then attaches to the upper hook rather than the bar. I'm sure it is there to keep the flat from separating from the point in the middle of your cook. Probably worth doing.
Proudly Smoking on a UDS, PBC &
Accidental Winner of the 2012 "Saucy" Throwdown.