WWII Survival Secret: Buttons That Transform Into What?

This video demonstrates a fascinating WWII-era survival tool: a set of seemingly ordinary buttons that, when stacked together, transform into a functional compass. Designed for soldiers who found themselves behind enemy lines, the buttons were cleverly engineered to assist in navigation without drawing attention. As the buttons are aligned, they reveal a hidden compass face, offering soldiers a discreet yet effective means of finding their bearings in the midst of enemy territory. The ingenuity behind this simple yet vital tool highlights the resourcefulness of wartime technology.

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These buttons from WWII turn into a compass when placed on top of each other, for soldiers who fall behind enemy lines pic.twitter.com/UJpBEovvxA

— Historic Vids (@historyinmemes) February 13, 2025