NFL safety: How VICIS' position-specific helmets have become all
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FOOTBALL SAFETY FOR DUMMIES: Innovations to Reduce Effects of
Football's first ever position-specific helmet, engineered for reducing linemen's repetitive, low velocity helmet impacts Named top-ranked helmet by
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First QB helmet designed to help reduce concussions approved
NFL to prohibit use of certain helmets for 1st time – The Denver Post
NFL, players' union approve QB-specific helmet designed to reduce
NFL's Safest Helmets Absorb Impact With 3D Printing Instead Of Foam
Quarterback Specific Helmet; NFL Enters Next Era of Helmet Safety