Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Guardian Cap Debuts at Training Camps League-wide
Why are NFL players wearing padding on helmets at training camp?
What is a Guardian Cap? Meet the NFL's newest safety measure
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
NFL Expands Use Of Guardian Caps In 2023 - Steelers Depot
FOX Sports: NFL on X: Guardian caps have significantly helped with the players health and safety during training camp this season. 🙏 / X
NFL says positions wearing Guardian Caps saw 52% decrease in concussions - NBC Sports
NFL: Concussions dropped by more than 50% among players who wore Guardian Caps during summer
More padding the issue of concussions and better helmets
NFL exec suggests Guardian Caps worn to protect players during practices could one day debut in games
Guardian Caps: What Are They & How Do They Work?
Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
What are Guardian Caps and how are they helping football teams?