Hyacks football brings safety to the fore, pioneering switch to practice caps a big step
NFL reveals data of rise in concussions for 2022 season
CFL introduces mandatory extra helmet protection for multiple positions. As well as other new health & safety measures. : r/sports
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
Padded helmet cover shows little protection for football players - Scope
Parents, players try to make sense of helmet products
FOOTBALL SAFETY FOR DUMMIES: Innovations to Reduce Effects of Concussi – 2nd Skull, Inc.
EXPLAINER: NFL using helmet caps for player safety, research
PLA donates guardian helmet caps to Onekama football program