Concussions: Can cap keep football players' heads in game? – Orange County Register
Guardian Innovations new Tech - Peachtree Corners Magazine
Playing with a pillow on your head': Buffalo Bills embrace new helmet covers
NWT Guardian Cap Soft-Shell Protective Helmet Cover Navy
Guardian Protective Helmet Cover One Size Football and Lacrosse Helmet
Guardian Cap Debuts at Training Camps League-wide
Guardian Caps: The new helmets worn by several NFL teams
Guardian Caps The Rundown
Guardian Caps: NFL requires use of helmet cover at training camps to reduce head injuries
Guardian Cap - Soft-Shell Helmet Cover for Football and Lacrosse - Reduces Impact and Protects Helmets - One Size Fits All for Youth, High School and College Programs - Navy
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports