Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
The NFL Has Introduced 'Guardian Caps' to Reduce Concussions, and Made Them Mandatory. But Only for Some Positions. And Only Through the 2nd Preseason Game.
Technology Innovations of the 2022 NFL Season - TOMORROW'S WORLD TODAY®
7 Patriots takeaways: Nelson Agholor continues to impress as joint practices with Panthers loom
NFL Releases Concussion Data After Use of 'Guardian Caps' During Offseason - Sports Illustrated
NFL using helmet caps for player safety, research – News-Herald
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Coverage of the NFL in Guardian Caps
Coverage of the NFL in Guardian Caps