The term "hanging" in the context of tobacco production typically refers to the air-curing stage. This is a critical phase where harvested tobacco leaves are suspended in well-ventilated barns.
Most researchers lean toward this conclusion. The "hanging" trope is overrepresented in horror films like Martyrs or the Faces of Death sequels. It is highly probable that the is actually a mislabeled clip from a banned German "shockumentary" or a lost episode of the Banned from Television series.
Hand-labour was often replaced by horse-powered "snuff mills" (e.g., Sharrow Mill) to keep up with demand.
Chronic use of nasal snuff can cause irritation of the nasal mucosa, leading to symptoms like chronic congestion, nosebleeds, and a diminished sense of smell. There is also a risk of developing nasal polyps or sores.