New Football Helmet Could Save the Sport
Finite Element Models: New Tools for Innovation in Football Helmet Design
NFL executive hints that Guardian Caps could eventually be worn in games, along with position-specific helmets
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
Asked and Answered: Aug. 3
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
Can new technology help cut down on concussions? (video)
Guardian Caps', NFL's Most Recent Attempt At Preventing Head Injuries
Padded helmet cover shows little protection for football players - Scope
NFL announces more steps to reduce head injuries
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN