Yak wool is nonuniform and is used in cloth manufacture. The coat fibers of hares and rabbits are characterized by fineness, high extensibility, and good felting properties.They are a valuable raw material for the felting industry.iber made from the fleece of the domestic sheep sheep,common name for many species of wild and domesticated ruminant mammals of the genus Ovis of the Bovidae, or cattle, family. The male is called a ram (if castrated it is a wether), the female is called a ewe, and their offspring is a lamb......