Until 2004 the Al-Rafiqs depended primarily on breeding-stock sales and processing and selling yarn and fiber for revenue.

FORBES: Golden Fleece

But fiber- and yarn-processing has improved since the first technical fibers were introduced decades ago.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

While long-haired dogs provide the best fiber, spinners have crafted yarn from all kinds of critters, including timber wolves and cats.

WSJ: Knitting and Weaving Artisans Embrace 'Chiengora' Yarn From Dog Hair