As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
Guardian Caps: The new helmets worn by several NFL teams
The Eagles played a dirty trick on the Giants. But the NFL is a squalid place, NFL
Philadelphia Eagles Hold on to Beat the Detroit Lions in Season Opener - The Ringer
What are Guardian Caps, and why are some NFL players wearing them during training camp?
Bug Therapy,' animated short film about mental health, inspired by writer's son having weed-fueled psychotic break
I Think it's Goofy as Shit - Eagles Players Explain the Spaceballs-Looking Helmet Covers - Crossing Broad
Eagles' Britain Covey was turned away from player parking lot
Could Guardian Caps be used in games? : r/nfl
From blunders to wonders: the 2022-23 NFL end-of-season awards, NFL