Not all yarns are alike. Some make our hearts and hands sing, some get the job done without much fanfare, and some cause nothing but frustration and disappointment. The gorgeous pair of socks that emerged from their first bath twice as long as when they went in. The delicate baby sweater that started pilling before it even came off the needles. The stunning colorwork scarf that you can't wear because the yarn feels like sandpaper against your neck...