NFL players wear Guardian Caps to reduce head trauma during
House Session, Part 3, December 2, 2013
NFL's use of Guardian padded helmet caps in camp draws support and
Guardian Caps Exceed NFL's Expectations - Guardian Sports
Guardian Caps Guardian Sports
In the News — What's Next Input — Kosner Media
Steelers QB Kenny Pickett turning to new helmet technology to help
NFL expands rule against misuse of helmet; Guardian Caps required
Bear Alexander escaped to USC thanks to one loyal mentor - Los
Readers, in joy, disbelief, even tears, on Bills ending The Drought