The Most Common Mistakes People Make With yarn ball

http://israelujke208.aircus.com/sage-advice-about-yarn-winder-amazon-from-a-five-year-old

Bought this as a gift for my mom, and wow she's obsessed with it! I came home to find a room full of neatly wound yarn balls, and a very happy mom! She mentioned how she doesn't know how she lived without it for