After extended testing and research, I have developed the definite version of my mini-bong
from this: http://img297.imageshack.us/img297/5474/dsc00552n.jpg
to this: http://img209.imageshack.us/img209/1169/pb300700.jpg
thick solid, one-piece "design" - no more need for duct tape or worrying about changing the tape because it might leak at some point
small, portable, can be placed on a table.
Green glass makes dirty water appear colourless
Of course the metal bowl is detachable and piped to the water by a small straw.
less, shorter straws.
In terms of efficiency.. better airflow and shorter distances result in less particles lost to the plumbing and better suck/response times:P
it does take a bit of patience and a good mate to drill a Tabasco bottle