A foam cap that fits over football helmets seemed to reduce the force of blows in lab experiments — but not on the field.
What's with padded helmet caps teams are wearing
Guardian Caps Added To Help Reduce Football Concussions The, 52% OFF
Popular - Scope
Stanford University School of Medicine on LinkedIn: Padded helmet
Football helmet - Team sports
Why are NFL players wearing padding on helmets at training camp?
Can a Better Football Helmet Save Your Kid's Brain? - Washingtonian
Engineers design safer and more comfortable football equipment
In the News Bioengineering
In the News Bioengineering