How can a button save your life?  It depends on who your tailor is. Military history expert Lynette Nusbacher and host Alice Loxton discuss an ingenious piece of covert pathfinding technology, designed for RAF pilots stranded behind enemy lines in World War Two. From SPYSCAPE, the home of secrets. A Cup And Nuzzle production. Series produced by Alex Burnard, Morgan Childs, Claire Crofton, Joe Foley, Frank Palmer, Kellie Redmond and Isabel Sutton. Music by Nick Ryan. Learn more about your ad choices. Visit megaphone.fm/adchoices