1916 - a grandmother in Belgium knitted at her window, watching the passing trains. As one train chugged by, she made an odd stitch in the fabric with her two needles. Another passed, and she dropped a stitch from the fabric, making an intentional hole. Later, she would hand the fabric to a soldier - a fellow spy in the Belgian resistance, working to defeat the occupying German force. Yes - knitting really was the ultimate example of everyday spycraft.
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