Elle est connue sous les noms de chalk, crank, dirt, glass, grit, ice, koolaid, kryptonite, entre autres, et à doses élevées, elle crée une dépendance encore plus grande que la drogue originale.
It is known as chalk, crank, dirt, glass, grit, ice, koolaid, kryptonite, et cetera, and in higher doses is more addictive than the original drug and has a greater rush, followed by increased agitation and possibly violence in some individuals.