Alex Smith is one of the first NFL players wearing a revolutionary new helmet designed to reduce concussions
First QB helmet designed to help reduce concussions approved
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
New helmet could offer Dolphins' Tua Tagovailoa concussion protection
NFL hopes to reduce head injuries with helmet experiment
Will Josh Allen Wear This New Helmet Next Season?
Seeking to reduce head contact, NFL mandates use of Guardian Cap helmet for early portion of training camp - ESPN
First QB helmet designed to help reduce concussions, Sports
Gridiron Game Changer - San Diego Business Journal