Felt is an amazing material, and its history, properties and uses are unparalleled among textiles. Although its origins are lost in prehistory, there is a clear record of its manufacture and use in Roman times and it has a special place in many cultures. The Mongols, in particular, were masters of felt and to them it had an almost magical importance. Taking advantage of the unique form of wool fibers, felt is made by matting fibers together in water,...