Football helmet with liquid padding may prevent concussions
This Flexible Football Helmet Absorbs Hits Like a Car Bumper
Concussions in the NFL: How Worried are You?
Atlanta Falcons 1966 to 1969 SpeedFlex Full Size Throwback Football Helmet - Hats & Helmets
The counter-intuitive idea that could drastically reduce football's concussions - The Washington Post
This Flexible Football Helmet Absorbs Hits Like a Car Bumper
The counter-intuitive idea that could drastically reduce football's concussions - The Washington Post
The counter-intuitive idea that could drastically reduce football's concussions - The Washington Post
Top auto racing safety engineer takes a crack at safer football helmets
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Cougs checking off all the recruiting boxes
Would Putting Magnets in Helmets Make Football Safer? - Men's Journal
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Riddell launches Axiom, latest helmet to combat concussions
Helmets don't eliminate concussions. It's time for the NFL to ditch them, NFL