Arm Knitting: A Scarf in 30 Minutes? Who needs needles? WSJ's Rachel Dodes shows you how to arm knit: a fast and easy way to get a chunky hand-made scarf.

This is the time you're really gonna knit. I'm certain of it. Credit: Mashable Composite; Getty/Laimdota Grivane/EyeEm/Anna Navarro/ When we spend so much of our time online, we’re bound to learn ...