Knitting as Espionage, Part One: Secrets in the Stitch

For a lot of folks in the modern day, knitting is more a relaxing hobby than a household necessity. However, not too long ago, this needlecraft was a genuine -- and effective! -- tool for spies. In the first part of this two-part series, Ben, Noel and Max dive into the fascinating history of knitting as espionage.

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