A new helmet design called SpeedFlex introduces new technology that could help alleviate impact by implementing a cutout on the crown, which creates a flexible panel designed to disperse the force of
What's with padded helmet caps teams are wearing
NFL players don Guardian Caps, designed to protect from concussion
In finding right fit, high school football players have option of using their own helmet, Prince William
How Helmets Have Evolved to Prevent Football Concussions - Chester County Hospital
Football's Concussion Crisis Is Awash With Pseudoscience
Helmet sensors become mandatory equipment in Arena Football League
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
Putting their heads together: Local football teams finding different ways to deal with nationwide shortage of helmets, High School Sports
Helmets don't eliminate concussions. It's time for the NFL to ditch them, NFL
This flexible football helmet wants to save your brain : r/nfl
Built By Data: NFL Helmet Innovation
Learning from InvENtors: John T. Riddell, by Edison Nation
Helmet safety: Inside the complicated equipment industry - Sports Illustrated
Science of concussion safety