Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
NFL safety: How VICIS' position-specific helmets have become all the rage - The Athletic
After the NFL: Long-Term Damage of Concussions and Head Trauma - TheraSpecs
NFL hopes to reduce head injuries with helmet experiment
What is on Drue Tranquill's neck? Chargers LB spotted wearing Q-Collar to limit head trauma
NFL hopes to reduce head injuries with helmet experiment
Houston Texans, their injuries, and the future of sports science - Battle Red Blog
Chiropractor creates football collar meant to thwart neck injuries, concussions
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
Chiefs vs Lions: Nick Bolton expects Jahmyr Gibbs to be a factor
NFL hopes to reduce head injuries with helmet experiment
After an Injury-Shortened Rookie Season, Titans WR Kyle Philips Motivated to do More in 2023