A classic demonstration on how to wind a center pull ball of yarn. take the end of the yarn and wrap it around Your fingers. Keep wrapping over the first loop to shape it like a ball but keep the first loop sticking out. When everything has been winded up, just pull the first loop out and start making a crochet or whatever project You may want to use Your yarn with. Follow these steps and You won't worry a again of tangling Your yarns.