While slight darkening is normal for tobacco flavors over time, significant changes or unpleasant odors could mean the product has degraded and should be discarded
Spliffs mix tobacco directly into the cannabis, which creates a more balanced and adjustable smoke
Depending on the blend you are after you would take two or more types of leaf and feed them into a machine that will coil them together, producing a rope-like product that would no doubt seem attractive to pranksters
J Virol Methods 302:114466
Four main types of amphetamines have been used by numerous countries: Pervitin was widely used in World War II by the Nazis
Known by names such as Gabba, Hot Grabba, Red Rose, and Red Herring, it can be identified by a few distinct characteristics