The growth and popularity of hand spinning, weaving, felting and other wool crafts have resulted in a demand for the wide variety of naturally-colored wool. No Dyes Needed. The Modern handcrafters and fiber artists are more knowledgeable, discriminating, and demand higher-quality fleeces than those required by the textile industry. Since 1977 NCWGA has recognized the need for high-quality wool sheep that produced a high quality and very useable product.