Bear River football taking safety to a new level, Sports
A Helmet Shortage Is Hitting High School Football Across the Country - The New York Times
High school football is almost here. The issue? There aren't enough helmets. - The Boston Globe
NFL hopes to reduce head injuries with helmet experiment
NFL safety: How VICIS' position-specific helmets have become all the rage - The Athletic
About the NFL Helmet Challenge
NFL Helmet Challenge: Increasing player safety, nTop
The Hail Mary of helmet switches' Northern Colorado pulls off in-season move on key piece of equipment
Inbox: He's going to be a real challenge for defenses
Exactly How Dangerous Is Football?
Cowboys seen wearing protective, NFL mandated Guardian Caps at OTAs
Surprise offseason standouts for 32 NFL teams: Players to watch - ESPN