More padding the issue of concussions and better helmets
Veteran NFL Player Rips The Use Of Guardian Caps - The Spun
NFL's use of Guardian padded helmet caps in camp draws support and
Guardian Caps - Are the soft-shelled football helmet covers
NFL's use of Guardian padded helmet caps in camp draws support and
Concussions: Can cap keep football players' heads in game
NFL hopes to reduce head injuries with helmet experiment – The
NFL using helmet caps for player safety, research – News-Herald
NFL players wear Guardian Caps to reduce head trauma during
NFL, NFLPA Approve Helmet for QBs Designed to Reduce Concussions
Puffy, spongy Guardian Caps could help curb NFL head injuries
Our sport can be safe and exciting': NFL points the way for