NFL to prohibit use of certain helmets for 1st time – The Denver Post
SAFR Helmet Covers – SAFR Sports
Joe Burrow's new helmet is newly designed to help address old weak spots
NFL helmet maker helping curb soldiers' head injuries, Sports
NFL helmet maker helping curb soldiers' head injuries
Amid NFL-wide concussion concerns, 2 Bears embrace new kind of helmet - Chicago Sun-Times
How Notre Dame hopes to help a helmet revolution
What Pros Wear: Top 5 Best Youth Football Helmets (2020) - What Pros Wear
Maryville football gears up, Features
Hearing Tuesday in concussion lawsuit against NFL