Capt.Mooron wrote:

Two "fish bowls" in "tandem" with stoppers drilled for rubber tubes. The
fire bowl was in the first fish bowl and the ice or water was in the second
fish bowl. One person blew into the first bowl to produce a cooled stream of
smoke [later replaced with an aquarium air pump] from the second bowl..
hence the "master/slave" designation.


You mean, like a power hitter.

DSK