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NFL Enters Next Era of Helmet Safety with Advent of Quarterback-Specific Helmet
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Riddell's Axiom could be breakthrough helmet for football
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Football helmet with liquid padding may prevent concussions
AT&T Develops Football Helmet for Deaf Players
Future of football safety could come down to research in Riddell's suburban Chicago office
NFL Enters Next Era of Helmet Safety with Advent of Quarterback-Specific Helmet
Gallaudet University debuts 5G-connected helmet : NPR
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