What a Cannabis Keychain Pipe Is

A cannabis keychain pipe is a small pipe with a ring or clasp that attaches to a key ring. Most measure 2 to 4 inches long and hold 0.1 to 0.3 grams of ground flower. The bowl sits at one end. A carburetor hole sits on the side or bottom. Metal models often have a screw-on cap that covers the bowl and traps odor inside.

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Parts

Materials

Aluminum is the most common metal. It costs less and weighs less than brass or stainless steel. Brass and stainless steel resist dents. Glass models use borosilicate, the same glass as labware. Silicone models bend and survive drops, but residue soaks into the walls. Metal and glass clean well with solvent.

how to clean cannabis keychain pipe

Size and Use

A 2-inch pipe holds about 0.1 grams. A 4-inch pipe holds about 0.3 grams. Load ground flower with your fingers or a small scoop. Cover the carb, draw, then release the carb to pull smoke through. The bowl is small, so a session runs 3 to 5 draws.

cannabis keychain pipe metal vs silicone

Cleaning

Resin builds up in the airway and the carb. Soak metal and glass parts in isopropyl alcohol at 91 percent or higher for 30 minutes. Add coarse salt for glass. Rinse with warm water and let the parts dry. Silicone can go in boiling water. Replace screens when airflow drops.

cannabis keychain pipe metal vs silicone

Storage

Loose flower in a pocket smells. Metal keychain pipes with a threaded cap cut odor. Keep the pipe in a sealed bag or a smell-proof case. Clean pipes leave less residue on keys and pockets.

Legality in the US

Cannabis is a Schedule I controlled substance under federal law. Federal statute 21 U.S.C. 863 bans the sale of drug paraphernalia. State laws differ. Some states treat a pipe as paraphernalia when residue is present. Some states allow pipes for tobacco. Age limits apply: 21 and older in states with legal adult-use cannabis. Retail shops in legal states sell pipes to customers 21 and older with ID.

Check your state law before you buy. A keychain pipe that stays clean and empty carries less legal risk than one with resin in the bowl.