The metal suits worn by knights during the Middle Ages were originally designed to protect against weapons such as swords. But could medieval armor also stop bullets?

The items are now housed in a museum built in a former castle for the knights of the Teutonic Order. Screengrab from Muzeum W Ostródzie's Facebook post History enthusiasts using metal detectors in ...

Screengrab from Muzeum W Ostródzie's Facebook post History enthusiasts using metal detectors ... upon three medieval weapons — including one possibly used to fight invading knights.