Why Alabama football players are wearing padded helmets in practice
The Quest for a Better Football Helmet
NFL players wear Guardian Caps to reduce head trauma during training camp
So what exactly is that black padding on the Syracuse football helmets seen during practice?
EXPLAINER: NFL using helmet caps for player safety, research
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Guardian cap' to prevent head injuries mandated for practices, CFL says
Parents, players try to make sense of helmet products
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NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
Arizona Cardinals' J.J. Watt critical of Guardian Cap: 'Feel like a bobblehead' - ESPN
Concussions: Can cap keep football players' heads in game? – Orange County Register
Concussions: Can cap keep football players' heads in game? – Orange County Register