Another means that is gaining popularity is specially made glass presses heated with a propane or butane torch.
[2] In order to facilitate this process, a spottle (also referred to as a bowser, hooter or toker) or hitter is often, but not always, used to funnel the smoke and maximize the amount inhaled.
A spottle is generally made from a funnel or cone-shaped container, such as the top (or neck) of a plastic or glass bottle or a gallon of milk/water.
[3][full citation needed][4] Although practiced over the world, the spots method of cannabis smoking is most common in New Zealand.
[10] One possible way of minimizing the risks of spotting marijuana is using cooler knives, leading to the tetrahydrocannabinol (THC) being vaporised rather than the entire plant matter being burnt.