It doesn't matter how the guardian helmets look it matters if they work - Behind the Steel Curtain
Browns rally around Garrett after helmet attack and turn fire on Rudolph, Cleveland Browns
Asked and Answered: Aug. 8
Steelers Daily Links: Purdy to Start Despite Picks, Guardian Caps Work
Could Guardian Caps be used during NFL games for player safety?, Pro Football Talk
49ers Star Defends Steelers Safety Minkah Fitzpatrick By Putting NFL On Blast
NYSportsJournalism.com - NFL Guardian (Caps) Of The Preseason Galaxy - Safety Impact: NFL Expands Presence As Guardian (Caps) Of The Preseason Galaxy
Mike Tomlin doesn't expect emotional letdown with Steelers' final game looming