Description Shipping & Returns Reviews Description Easily wind up balls of yarn with this handy tool. Knit Pro Wool Winder. A basic wool winder by Knit Pro made from high-quality durable plastic for all your ball winding needs. Quickly and effortlessly wind knitting and crochet yarn into a neat and tidy ball. Use this ball winder with a skein swift to easily wind yarn from skeins into balls for fast, tangle-free knitting or crochet. Shipping & Returns Reviews