Great story in The Guardian -

[This subversive needling of the Nazis was a form of defiance that Casdagli, who was not freed from prison until 1945, believed was the duty of every PoW. “It used to give him pleasure when the Germans were doing their rounds,” says his son, Tony, of his father’s rebellious stitching. It also stopped him going mad. “He would say after the war that the Red Cross saved his life but his embroidery saved his sanity,” says Tony. “If you sit down and stitch you can forget about other things, and it’s very calming.”] -

Thanks for sharing the link Knithacker!