"The Machine" is essentially a glass vaporizer in which heat is meant to distribute through the pipe rather than across the glass. It utilizes a metal mesh plug inside of the pipe, on which the product is to be placed, melted and vaporized. The mesh acts both as a screen and a heat-sink, simultaneously allowing for the even heating of the product and prevention from inhaling unvaporized particulates.
This method of vaporization includes the standard variations—which are essentially the simple combination of a vaporizing bowl and a vapor chamber with an inhalation nozzle—and the bubbler variation in which the vapor passes through a water heat-sink before reaching the vapor chamber and inhalation nozzle.
Improvisation of the Standard Variation:
- Obtain a glass piece with only two openings—one smaller than the other—accessing a single chamber.
- The most common method is to use a small bottle and drill a small hole in the bottom.
- Though a straight tube, such as a dropper stem, could be used, a larger vapor chamber may lend itself to a cooler vapor.
- Prepare a plug made of metal mesh by cutting a piece of an excess of the appropriate size to fit in the larger opening of the glass piece.
- Stainless steel and copper of a coarse mesh are preferable, as they do not tend to burn at the temperatures needed for vaporization.
- Using pliers to hold the cutting, use a torch to thoroughly burn off any coatings found on the mesh.
- Perform this step until no more smoke can be observed emanating from the cutting.
- Allow to cool and roll the cutting tight enough to fit in the larger opening of the glass piece.
- The plug needs to be tight enough to suspend it in the opening but not so tight as to block air passage.
- Obtain an inhalation nozzle or mouthpiece of some kind if necessary to facilitate inhalation from the vapor chamber through the smaller opening in the piece.
- A tube or straw of some kind is the most common method.
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Improvisation of the Bubbler Variation:
- This variation can apply to the use of a small bubbler pipes, bong-style bubblers, or improvised bubblers.
- One need only to follow steps 2-4 of the standard variation though in application to the bowl of a bubbler rather than an improvised glass-piece.
- The water in the bubbler acts only as a heat-sink and will not absorb a significant if any amount of product, as the freebase product is not very soluble in water.
- The use of ice in cooling should be forgone, as it may cause the premature precipitation of product within the chamber.
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