That means separating the unwanted coarse outer hair of the goats from the valuable ultrafine cashmere underfleece, which measures just 12 to 18 microns in width (one sheep wool fiber is more like 25 microns wide).
And for years, much of the hair that people all around the world have used has been from Mongolia, Manchuria, Siberia, sometimes northern Poland, places like that, where the hair is very coarse.