Trafalgar Square Books-Knitting Double. Knitting double also known as double knitting is a technique by which knitters can create two fabrics at the same time and this guidebook includes step-by-step instructions with photographs to help master this method. Crafters learn how the front and back are knitted simultaneously and the stitches are worked in pairs. This book contains more than thirty projects. The perfect resource for the intermediate to advanced knitter looking to expand their repertoire. Author: Anja Belle. Hardcover; 80 pages. Published Year: 2014. ISBN 978-1-57076-604-6. Imported.