Christina of MeadowLarking has an amazing tutorial on CraftZine, How-To: Cyanotype Print on Handknits and Crochet! This hand printing technique is uniquely suited for knit and crocheted items. We adore the wonderful effects one can achieve by varying the yarn color and design motifs! Perhaps you could make a collection on handmade potholders emblazoned with William Morris motifs…… or maybe baby sweaters adorned with vintage alphabet illustrations.