On Sat, 04 Dec 2010 09:01:24 -0500, Steve Walker
wrote:

Soak nozzle in lacquer thinner, blow out with compressed air. Attach
the shop-made "recharger nozzle" to a propane bottle, shoot some
liquid propane into the can to raise the pressure and blow the gorp
out of the tube inside.

This I'd like to know how to make.

It's a piece of brass turned to resemble a nozzle stem on one end
(drilled thru, of course) and threaded on the other end to screw into
an old Bernz-O-Matic torch body.