First QB helmet designed to help reduce concussions approved - The San Diego Union-Tribune
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
Finally: First QB Helmet Designed To Reduce Concussions Has Been Approved by NFL
Flexible NFL helmet aims to reduce head injuries
NFL, NFLPA approve helmet designed to reduce QB concussions - ESPN
The Longevity Project: Preventing concussions in sports and the road to recovery if it happens
First quarterback-specific helmet designed to reduce concussions approved for use by NFL - The Phinsider
$200 Q-Collar is designed to prevent athlete brain injuries
First QB helmet designed to help reduce concussions approved
NFL Announces New Quarterback-Specific Helmet To Combat Concussion Effects, National Football League, quarterback, helmet
NFL and players' union approve helmet designed to reduce QB concussions, NFL
Seeking to reduce head contact, NFL mandates use of Guardian Cap helmet for early portion of training camp - ESPN
NFL, players' union approve QB-specific helmet designed to reduce concussions – NBC Sports Philadelphia
Can Custom-Fit Football Helmets Protect Athletes From Brain Trauma?, Chicago News