Puffy, spongy Guardian Caps could help curb NFL head injuries - The Washington Post
Our Gallaudet football team makes history
New Evidence of Brain Injury in Kids Who Play Football - The Atlantic
Guardian Caps Guardian Sports
AT&T and Gallaudet University Collaborate to Make Football More Inclusive with First 5G-Connected Helmet, Athletics and Physical Education
Bill to ban youth tackle football in New York state has been a decade in the making – Bronx Times
NJSYFL - New Jersey Suburban Youth Football League
Helmet-to-helmet collision - Wikipedia
Guardian Caps Guardian Sports
Pop Warner football: Kids should not be allowed to put on helmets and knock each other in the head.
X2E+ Youth Xenith Football Helmets, Shoulder Pads & Facemasks