Park High football team to wear Guardian Caps as pioneering safety investment
What's with padded helmet caps teams are wearing
What is a Guardian Cap? Meet the NFL's newest safety measure
Guardian Caps (@guardian_caps) • Instagram photos and videos
Tennessee football: UT Vols use Guardian helmet covers
Arizona Cardinals defensive end J.J. Watt not fan of the new league-mandated Guardian Caps on helmets
Puffy Guardian Caps Could Reduce NFL Player Concussions
Guardian Caps (@guardian_caps) • Instagram photos and videos
Padded helmet cover shows little protection for football players - Scope
More teams practicing with Guardian Caps, Sports