Taken from Stitch 'N Bitch: The Knitter's Handbook - Stitch 'N Bitch Superstar Knitting: "These beaded wrist warmers came to me when I was knitting a pair of socks. When I put the socks on my hands I realized that I really wanted to wear them on my wrists."
This pattern is in Stitch 'N Bitch: The Knitter's Handbook - Stitch 'N Bitch Superstar Knitting, page 341.