| Metal pipes are more generally | | | | an accessible central chamber, which is |
| associated with cannabis and other drugs | | | | usually packed with Marijuana to |
| than tobacco use. Though steel was a | | | | resinate, adding extra THC content when |
| common material, aluminium and brass are | | | | smoked. Also, loose bits of the |
| more popular materials now. The | | | | Marijuana fall down into the chamber and |
| advantages of a metal pipe generally | | | | also resinate, speeding up the process |
| include interchangeable parts for | | | | of resination. The biggest drawback to a |
| optimization and certain components are | | | | metal-stemmed or -bowled pipe is that |
| limited to fit only a metal pipe, such | | | | the metal also creates a lot of |
| as a threaded metal bowl with optional | | | | condensation in the stem, making for a |
| cap via thread interface that will | | | | wet smoke. |
| prevent spills or accidentally blowing | | | | An easy metal pipe can be made out of an |
| the cannabis from the bowl ("blow | | | | empty soda can by partially denting the |
| outs"). Their retention of heat can make | | | | round side and poking holes in it. |
| them uncomfortably and even dangerously | | | | Cannabis is placed over the holes, |
| hot but most have rubber or plastic | | | | ignited, and smoke is drawn through the |
| grips on the outside of the pipe. | | | | can's mouthpiece. This kind of pipe is |
| Another common method for burn | | | | usually used out of desperation when no |
| prevention is one or more rubber rings, | | | | other smoking apparatuses are available |
| which can be placed at the base of the | | | | as inhaling aluminum fumes can be |
| threaded area and prevent conduction of | | | | detrimental to one's health. |
| heat. Another drawback of the metal pipe | | | | All metals create odors when heated and |
| is its typical top heaviness which makes | | | | although the metals themselves can |
| it prone to spills. This is compensated | | | | withstand temperatures of thousands of |
| for by flat or squared ends on the | | | | degrees they still release harmful |
| 45° or 90° angled elbow | | | | toxins when heated. Steel has the least |
| piece. Perhaps the most attractive | | | | odor followed by brass which tastes |
| aspect of a metal pipe over a glass | | | | horrible and irritates the throat after |
| piece in many users' minds is that they | | | | just a few uses, followed by aluminum, |
| are, in all normal circumstance, | | | | on the bottom of the list is copper |
| basically indestructible. | | | | which is extremely reactant and can |
| Metal bowls are usually overlooked by | | | | create malicious chemicals when |
| tobacco smokers because metal bowls | | | | triggered by one of the thousands of |
| require a break-in period of resination. | | | | chemicals inherent in any smoke[citation |
| During that time, when tobacco is used, | | | | needed]. Gold is inert and has no taste |
| the smoke passing though the piece has | | | | and is sometimes offered as a bowl |
| an aftertaste. Cannabis smoke usually | | | | plating. Metal pipes are typically short |
| does not have an odd after-taste and | | | | because the metal absorbs the heat from |
| resinates the piece faster. A type of | | | | the smoke extremely well whereas long |
| metal pipe usually associated with | | | | pipes or roomy glass pipes use their |
| Marijuana is the chamber pipe, which has | | | | larger air space to cool the smoke. |