Helmet Innovation: Continued advancements to keep players safer
The Complete Beginners Guide To American Football – vIQtory Sports
NFL helmet rule explained: What is causing Antonio Brown's absence? - Sports Illustrated
Virginia Tech lab releases first safety ratings for youth football helmets
NFL Helmet Challenge Raises the Bar for Helmet Technology and Performance, Awards $1.55 Million in Grant Funding to Help New Models Get on Field Faster
New Football Helmet Could Save the Sport
Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
Louisiana Football Helmets Help Keep Players Cool - ASME
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
The N.F.L. Struggles to Tackle Its Latest Problem: Tackling - The New York Times
Guardian Cap: What are and why the NFL asks this safety measure in helmets
DeAndre Hopkins released by Arizona Cardinals, team takes big salary cap hit
This might be a dumb question, but why do they wear these extra pads on their helmets for camp but remove them for games? : r/KansasCityChiefs