Utah Utes football adds new concussion-reducing helmets for fall camp
NFL hopes to reduce head injuries with helmet experiment - Seattle
More teams practicing with Guardian Caps, Sports
Guardian Caps: NFL requires use of helmet cover at training camps
Park High School football blazes safety trail with Guardian Caps
Quarterback-specific helmet to be available during 2023 NFL season
Guardian Caps Guardian Sports
Unpopular guardian caps could provide false sense of security
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Safety first: Lopers to wear padded caps in practice to prevent
Guardian Caps a fit for Park Wolfpack - Cottage Grove Journal