How legit is vicis and their tech to prevent CTE, had anyone tried it? : r/ nfl
Heads Up! New helmet getting tryout at NFL minicamps
NFL, NFLPA approve concussion-reducing helmet for quarterbacks
A football helmet designed just for linemen arrives. Now will it catch on? - The Athletic
With concussions at forefront of minds, helmet designs more important
A football helmet designed just for linemen arrives. Now will it catch on? - The Athletic
First QB helmet designed to help reduce concussions approved
New Medium Vicis Zero2 Helmet
The NFL calls Vicis Zero1 helmets the safest yet
Safest Rated Helmet In NFL Now Available For Youth Players - CBS Texas
Doug Baldwin: No reason for NFL players not to wear safer helmets
NFL, NFLPA approve new helmets for quarterbacks in latest step to combat concussions