Love rose

artificial rosesglass crack pipeglass tube
A love rose consists of a glass tube with a paper or plastic rose inside of it, and a bit of cork or foil on the ends to keep the rose from falling out.wikipedia
7 Related Articles

Crack cocaine

crackcrack-cocainecrack pipe
While ostensibly intended as romantic gifts, their primary known use is as a crack pipe by users of crack cocaine.

Chore Boy

copper scouring pad
Crack cocaine users remove the cork or foil from the ends, discard the rose, and put a small piece of copper scouring pad or similar metallic material into the end to act as a "filter".
Utilized in this context, a small wad of the copper wool (the steel variety will not suffice for this purpose) is inserted into the end of a short cylindrical glass tube (sometimes called a "straight shooter") and serves to function as a screen and/or a matrix by which the melting freebase can be thoroughly dispersed across the large surface area of the bronze wool.

Drug paraphernalia

paraphernaliamarijuana paraphernaliapossession of drug paraphernalia
While it does not require the use of a metallic filter material, as with the variant used for crack cocaine, the user must remove the rose before its use as a pipe, as the rose's only purpose is to obscure the intended use of the tube, with the goal of circumventing laws prohibiting the sale of drug paraphernalia.
Small mirrors and other glass products (such as Pyrex test tubes and "glass crack pipes"), lighters, rolled up currency, razor blades, aluminum/tin foil, credit cards, and spoons have all been used to prosecute people under paraphernalia laws, whether or not they contain residue of illegal drugs.

Convenience store

bodegasconvenience storescorner shop
They are commonly sold at convenience stores in the United States, particularly in inner-city locations.

United States

AmericanU.S.USA
They are commonly sold at convenience stores in the United States, particularly in inner-city locations.

Methamphetamine

crystal methmethcrystal methamphetamine
Another variant, likewise sold with a rose inside, has a round, bulbous shape opposite the open end of the glass tube, and is commonly used as a pipe for the consumption of methamphetamine.

Cocaine

cokecocaine traffickingcrack
Smoking freebase or crack cocaine is most often accomplished using a pipe made from a small glass tube, often taken from "love roses", small glass tubes with a paper rose that are promoted as romantic gifts.