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Pro Football Hall of Fame on Twitter: "#OTD in 1939, football's first-ever plastic "Shell Helmet" was introduced by @RiddellSports. At the start, these helmets were only worn by high school and college
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PLAYMOBIL on Twitter: "The Red Coats 🙂 #PLAYMOBIL fan photo of the week by play_mo_collectors (https://t.co/Auo87qLECW). https://t.co/lQZKdlrtWu" / Twitter
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