Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
NFL players wear Guardian Caps to reduce head trauma during training camp
This might be a dumb question, but why do they wear these extra pads on their helmets for camp but remove them for games? : r/KansasCityChiefs
Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Puffy, spongy Guardian Caps could help curb NFL head injuries - The Washington Post
High school football teams go soft in the fight against brain injuries
NFL players wear Guardian Caps to reduce head trauma during training camp
Cowboys seen wearing protective, NFL mandated Guardian Caps at OTAs
NFL could move to requiring Guardian Caps in games
Chicago Bears: Why players are wearing padded helmets
NFL Releases Concussion Data After Use of 'Guardian Caps' During Offseason - Sports Illustrated
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
NFL hopes to reduce head injuries with helmet experiment