NFL, NFLPA Release 2021 Helmet Laboratory Testing Performance Results
NFL helmet safety testing results: Vicis ranks first again for its high-tech head protector – GeekWire
VA Tech Helmet Lab Researchers Conclude 5-Star Football Helmets Are Safer with SAFR Protech Helmet Covers
The Coat of Arms Added Protection or False Security: Football Tests New Guardian Caps to Prevent Concussions
The Safest Football Helmet Is Not Yet a Hit in the NFL - WSJ
NFL helmet safety testing results: Vicis ranks first again for its high-tech head protector – GeekWire
Virginia Tech research provides much-needed data, system for rating sports equipment - ESPN
VICIS on LinkedIn: NFL helmet safety rankings: Seattle startup Vicis tops list again with…
What happened to Vicis: Inside the collapse of the high-tech helmet maker, as board decides its fate – GeekWire
TLDR: Safest helmets in football, Supreme Court & the future of online shopping, 2018 Halo World Championship – GeekWire