NFL, players' association approve first position-specific helmet design for OL, DL - ESPN
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Miami Dolphins QB Tua Tagovailoa trying new helmet to combat concussions
Named top-ranked helmet by NFL & NFLPA helmet laboratory testing Virginia Tech 5-Star helmet; ranked 2nd among 28 helmets tested with a 0.73 score
VICIS ZERO2 Football Helmet, SO-212-S Facemask Attached, White, Medium
Behold: The First Position-Specific Football Helmet
Lineman Helmets Approved By NFL and NFLPA - Team Insight
NFL, NFLPA approve first position-specific helmet for linemen
Transcript, Player Health and Safety Preseason Media Briefing, August 16, 2023
NFL updates approved helmet list and rankings for players to choose