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How Helmets Have Evolved to Prevent Football Concussions - Chester County Hospital
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NFL's Safest Helmets Absorb Impact With 3D Printing Instead Of Foam
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Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
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Xenith Named a Finalist in the 2021 NFL Helmet Challenge, Granted $496,500
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Can Custom-Fit Football Helmets Protect Athletes From Brain Trauma?, Chicago News
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X2E+ Varsity Xenith Football Helmets, Shoulder Pads & Facemasks
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Protective helmets make sports safer
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NFL: Schutt explained why it stopped making Antonio Brown's helmet
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Schutt Sports works from inside out to make football helmets safer