3214. Lint may be made in a hurry, by nailing the corners of a piece of old linen to a board, and scraping its surface with a knife. It is used either alone or spread with ointment.
3215. Scraped lint is the fine filaments from ordinary lint, and is used to stimulate ulcers and absorb discharges; it is what the French call charpie.
3216. Scraped lint is made into various shapes, for particular purposes.
3217. For example, when it is screwed up into a conical or wedge-like shape, it is called a tent, and is used to dilate fistulous openings, so as to allow the matter to escape freely, to plug wounds, so as to promote the formation of a clot of blood, and thus arrest bleeding.
3218. When it is rolled into little balls they are called boulettes, and are used for absorbing matter in cavities, or blood in wounds.