This bundle includes everything you need to start winding! Use the Knit Picks Ball Winder and Yarn Swift to wind yarn hanks into usable cakes or balls for knitting and crocheting. By winding your yarn, you create a portable ball of yarn that is easy to work from and will not tangle. Use the Yarn Swift to hold hanks of yarn in place as you wind them using the Ball Winder. WINDS YARN The Knit Picks Ball Winder and Yarn Swift let you transform yarn hanks and skeins into compact centerpull cakes that sit nicely while you knit and crochet SIMPLE TO USE Easily winds up to 100 grams or 3.5 ounces of yarn, from lace and fingering weights to worsted and bulky weights EASY TO ASSEMBLE The Yarn Swift features a simple clamp holds swift in place easily on any table or surface up to 1 12 thick, and umbrella opens up to fit most standardsized yarn hanks; Ball Winder attaches to any table edge or surface up to 112 thick; just twist on the spindle, position the guide arm and start winding COMPACT STORAGE Both items fold when not in use and make for compact storage while still allowing quick and easy assembly GREAT FOR CRAFTING Lets you organize all types of wound yarn into usable cake