Helmet shortage could disrupt early football practices - Los Angeles Times
Vikings set to unveil new helmet for 2019 season and here's what it looks like
Helmet market, with deep Detroit ties, in arms race
Future of football safety could come down to research at Riddell
The Extra Yard: The Ins and Outs of an American Football Helmet - Stories
Here is a closer view of the Lions new alternate helmets and man they are clean. I'm hoping they keep these next year and design the new alternates around them. : r/detroitlions
How football helmets fail to protect against some of the most dangerous hits in the game - The Verge
Football helmets are creating more problems than they solve
Teen's woodpecker-inspired system aims to reduce football concussions
Gallaudet University to play with new helmet tech developed by AT&T
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
Helmet safety: Inside the complicated equipment industry - Sports Illustrated
Collector's Display Case Cabinet Wall Rack Compatible with Riddell Mini Football Helmet 1:2 Scale, or 1/24 -1/18 Scale Diecast Toy Model Toy Cars Wheels Storage Shelves Showcase Black Finish : Sports & Outdoors
How to keep your delicate brain safe - BBC Future
Built By Data: NFL Helmet Innovation