Unpopular guardian caps could provide false sense of security
Helmets don't eliminate concussions. It's time for the NFL to ditch them, NFL
What's with padded helmet caps teams are wearing
Ban on helmet covers sparks controversy
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
Bombers set to don Guardian Caps” on helmets at training camp
NFL introduces Guardian Caps across league to limit number of brain injuries in preseason
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
Bombers set to don Guardian Caps” on helmets at training camp