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The first helmet was a soft leather style and was optional to wear.
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John T. Riddel made a safer helmet by making it with plastic.
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The Nfl required all players to wear a helmet.
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The LA Rams became first team to have logos on their helmets when a player put horns on his.
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A single bar was added to the helmets to prevent face injuries.
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Facemasking was banned shortly after the invention of the facemask.
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Every player was wearing a facemask.
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The full facemask was introduced.
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All quarterbacks were permitted to have a radio transmitter in their helmets.
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Players were allowed to wear transparent face shields to protect their eyes.
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The NFL banned the singal bar facemask.
