NFL, NFLPA approve first position-specific helmet for linemen
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NFL, NFLPA approve first position-specific helmet for linemen
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NFL to test new helmet designed specifically for linemen - Footballscoop
NFL to test new position-specific helmet designed for linemen - ESPN
VICIS - Take a look at ESPN's latest piece on the launch of the VICIS ZER02 TRENCH, football's first position-specific helmet. #ForeverForward helmet-designed-lineman
NFL rates first ever position-specific helmet No. 2 in lab testing
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