Ohio State Aiming To Reduce Head Injuries With Guardian Caps - Sports Illustrated Ohio State Buckeyes News, Analysis and More
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Here's why some Patriots players are wearing caps over their helmets during training camp
Have you seen the strange helmets Cowboys players are wearing in camp? Here's the story
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
CFL players adjust to their bigger heads, helmet covers worn in practice
Cowboys seen wearing protective, NFL mandated Guardian Caps at OTAs
What's with padded helmet caps teams are wearing
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN