Xaverian High in Mass. introduces Guardian Caps for football players
Guardian Cap Use a Concern for Watt, Saleh Early in Training Camp - Sports Illustrated
NFL training camp 2022: Why are players wearing Guardian Caps?
NFL hopes to reduce head injuries with helmet experiment – The Morning Call
Puffy, spongy Guardian Caps could help curb NFL head injuries - The Washington Post
NFL's top doctor does not expect Guardian Caps to be worn in games - NBC Sports
Funky-Looking Guardian Caps Rejected by NFL for Regulation Play, OK'd for Practice - Core77
Buffalo Bills Accustomed to NFL Mandated Guardian Caps: Controversial Change - Sports Illustrated Buffalo Bills News, Analysis and More
What are Guardian Caps and how are they helping football teams?
Guardian Caps added to help reduce football concussions - The Witmarsum