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One day during WORLD WAR I, an older woman in Belgium sat by her window, knitting and watching the trains pass by. As one train coasted through, she looked down on her fabric and made a bumpy stitch in it with her two needles. Another train chugged on by, and she dropped a stitch from the cloth, making an intentional hole. Later, she would risk her life by handing the cloth to a nearby soldier—who was also a fellow spy in the Belgian resistance, collectively working to take down the German forces occupying the area. Whether women sewed special codes into fabric or used known customs of knitting women as a disguise, there’s a vast history of knitting and special intelligence. According to the 1942 novel, A Guide to Codes and Signals, “Spies have been known to work code messages into knitting, embroidery, hooked rugs, etc". During wartime, where there were innocent old women sewing up garments, there were probably also spies; a pair of eyes, watching in between the clicking of a pair of two needles. When grandmothers used knitting to encode signals, the message was in the form of steganography, a slick style in which one can physically hide a message (for example, hiding Morse code somewhere within the back of a postcard). If the message has no choice but to be signaled through a low-tech medium, must then knitting is perfect for this; every knitted garment is made of a blend of just two different types of stitches: 1.) A knit stitch, which is smooth and kind of resembles a “v”, and 2.) A purl stitch, which resembles a horizontal line or a tiny bump. By generating a specific mixture of knits and purls into a fixed pattern, spies could pass on a basic piece of cloth and read the secret message, which was buried in the innocent essence of a scarf or hat. Women in Berlin knitting for soldiers, 1914. Library of Congress/LC-DIG-GGBAIN- 18341 Phyllis Latour Doyle, secret agent for Britain during World War II, spent the war years sneaking information to the British using knitting as a cover. She parachuted into occupied Normandy in 1944 and rode stashed bicycles to troops, chatting with German soldiers under the pretense of being helpful—then, she would return to her knitting kit, in which she hid a silk yarn ready to be filled with secret knotted messages, which she would translate using Morse Code equipment. “I always carried knitting because my codes were on a piece of silk—I had about 2000 I could use. When I used a code I would just pinprick it to indicate it had gone. I wrapped the piece of silk around a knitting needle and put it in a flat shoe lace which I used to tie my hair up,” she told New Zealand Army News in 2009. A knitting pattern, to non-knitters, may look undecipherable, and not unlike a secret code to begin with. This could cause paranoia around what knitting patterns might mean. Lucy Adlington, in her book Stitches in Time, writes about one article that appeared in UK Pearson’s Magazine in October 1918, which reported that Germans were knitting whole sweaters to send messages—perhaps an exaggeration. An American Red Cross knitting class during World War One. NATIONAL ARCHIVES/20802186 “When the German authorities carefully unraveled such a sweater, the story went, they found the wool thread dotted with many knots. By marking a vertical door frame with the letters of the alphabet, spaced an inch apart, the knots could be deciphered as words by measuring the yarn along this alphabet and marking which letters the knots touched.” Adlington writes, adding that the magazine described this as “safer, and not apt to be detected.” As with many things spy-related, getting the proof and exact details on code knitting can be tricky; much of the time, knitters used needles and yarn as a cover to spy on their enemies without attracting suspicion. Knitting hidden codes was less common. Enjoying This Story? The Pearson’s account of code knitting seems a bit convoluted, but the rumors were not pure fantasy. Because women were encouraged to knit socks, hats, and balaclavas for soldiers during many conflicts, including the American Civil War, and the World Wars, knitting, and textile work was a common sight—and one that could be easily used to the spy’s advantage. In Writing Secret Codes and Sending Hidden Messages, Gyles Daubeney Brandreth and Peter Stevenson note that after Morse Code was invented, it was soon realized that string or yarn suit it well. And “an ordinary loop knot can make the equivalent of a dot and a knot in a figure-eight manner will give you the equivalent of a dash.” Bed-ridden soldiers knit during World War One. NATIONAL ARCHIVES/165-WW-265B(17) The most famous example of knitting in code comes from fiction; in A Tale of Two Cities, a bloodthirsty French woman named Madame Defarge knits coolly among the audience while the guillotine beheads French nobles, and zealously creates a series of stitches to encode names of nobles that will be executed next. “Despite the involvement of Madame Defarge to take up knitting as a source of code, the use of knitting in espionage has nonfictional roots in the United Kingdom during the Great War,” writes Jacqueline Witkowski in the journal InVisible Culture. During the same time that the UK banned knitting patterns for fear of hidden messages, British Secret Intelligence agents hired spies in occupied areas who would pose as ordinary citizens doing ordinary things, which sometimes included knitting. Old woman sewing in East Berlin, 1941 via pimg.com Madame Levengle was one such woman, who “would sit in front of her window knitting, while tapping signals with her heels to her children in the room below,” writes Kathryn Atwood in Women Heroes of World War I. Her kids, pretending to do school work, wrote down the codes she tapped, all while a German marshal stayed in their home. The Alice Network, a collection of spies and allies in Europe who were experts in chemistry, radio, photography and more, employed “ordinary people who discovered unusual but extremely effective ways to collect information,” Atwood explains. A World War One poster to promote knitting for soldiers. LIBRARY OF CONGRESS/LC-USZC2-670 In many cases, just being a knitter—even if you weren’t making coded fabric—was enough of a cover to gather information, and this tradition continued decades later during World War II. Again in Belgium, the resistance hired older women near train yards to add code into their knitting, to track the travel of enemy forces. “This enactment led to the Office of Censorship’s ban on posted knitting patterns in the Second World War, in case they contained coded messages,” Witkowski writes. Knitting used by the Belgian Resistance during World War II included dropping a stitch, which forms a hole, for one sort of passing train, and purling a stitch, which forms a bump in the fabric, for another, which helped the resistance track the logistics of their enemies. Elizabeth Bently, an American who spied for the Soviet Union during World War II and later became a US informant, used her knitting bag to sneak early plans for the B-29 bombs and information on aircraft creation. Female spies during the American Revolutionary War also used the “old women are always knitting” stereotype to their advantage. Molly “Old Mom” Rinker, a spy for George Washington during the Revolutionary War, sat on a hilltop and pretended to knit while spying on the British, according to An Encyclopedia of American Women at War. She then hid scraps of paper with sensitive information in balls of yarn, which she tossed over a cliff to hidden soldiers right below, under the noses of the enemy. Knitting, spying and secret messages so often go hand-in-hand that knitters around the world have figured out ways you, or the knitter in your life, can make your own secret knitting codes. Non-spying knitters make gloves and scarves from the Dewey Decimal system, Morse code, and binary programming language for computers, treating knits and purls like zeros and ones. The possibilities are so apparently endless, it might even be worth learning to knit to give it a try. Plus, if you do pass on knitted code, you’ll be joining a longstanding tradition of textile-making spies. SOURCES: (Atlas Obscura, Gannet Designs, Knit Rowan)