the most beautiful kind of bong, it's basically a gravity bong, but instead of a bucket of water, you tape a bread bag or plastic grocery bag or something around the bottom, airtight, and pull out as your burn...then take it all in in one hit! DO IT RIGHT AND YOU CAN GET THE WHOLE DAMN BOWL IN ONE HIT!!!
I hallucinated and thought I was a Power Rangers giant robot for an hour when I hit that Artificial Lung...