Wool WinderThis KnitPro yarn winder makes it easy to wind your yarn into a ball. Yarn, which usually comes in hanks or bundles, must be wound up before it can be used and it is here a wool winder is indispensable. There are many different wool winders available on the market, but this KnitPro winder is both lightweight, compact and incredibly easy to use. Comes in a practical cardboard box.