What are Guardian Caps? NFL's latest padded helmets for added safety
What Pros Wear: Guardian Caps What are Those Helmet Covers Being Worn in Practice? - What Pros Wear
NFL Testing Validates Benefit Of Guardian Caps - Sports Biometrics Conference
What is the Q Collar, the device NFL players are wearing around their necks
Do padded helmet covers actually protect football players? - Futurity
NFL: What is the Guardian Cap, how does it work and will it be used in the 2022 season?
Oklahoma Sooners Continue to be Proactive in Player Safety With Guardian Caps - Sports Illustrated Oklahoma Sooners News, Analysis and More
The Guardian Cap NXT is ONLY for NFL athletes and college linemen. NXT Caps must be ordered through a rep. All 32 teams wore Guardian Caps in 2022
Football Guardian Caps NXT (NFL Model)
NFL hopes to reduce head injuries with helmet experiment
FOOTBALL: NFL following Sequim's lead with protective caps
A brief history of Football helmet technology
Guardian Cap Debuts at Training Camps League-wide
Funky-Looking Guardian Caps Rejected by NFL for Regulation Play, OK'd for Practice - Core77