That's one of the greatest benefits of the technique, said knitting experts. Arm knitting, in its simplicity, can introduce people to the fiber arts in a non-intimidating way.

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. When it comes to knitting, Lydia Schoenbein thought she had seen it all. The ...