In fall camp, Montana State using Guardian Caps for safety, preservation of game
Coverage of the NFL in Guardian Caps
New NFL Equipment Has Player Safety As Number One Priority – NFL Alumni
Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety
The story behind those soft-shell puffy Guardian Caps players have been wearing
Raiders, other NFL teams wear Guardian Caps for head safety, Raiders News
Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
Guardian Caps Guardian Sports
Damar Hamlin's Injury Highlights How Dangerous NFL Football Can Be to Players
NFL players don Guardian Caps, designed to protect from concussion