The swallowing thing helps a lot. I also leave some lung capacity and inhale more after holding it for a bit.

On monster hits (gravity bong or whatever) sometimes I will drink something while I hold my breath... it helps ALOT on cached monster pipes and shit.

Orange Juice is pimp as shit :jointsmile:

Off topic: Those ice cream Tid-bits things are like glaciers when I am high. They kick ass.