What are the collars NFL players are wearing in their necks? - AS USA
Carolina Panthers great Luke Kuechly promotes Q-Collar he believes extended his career - ESPN - Carolina Panthers Blog- ESPN
The Q-Collar: Athletes' newest safeguard - upstart
Q-collar: Next Big Thing for Concussion Prevention?
Q-Collar: New equipment helps protect the brain of high contact sports players
Explained: What Is The Q-Collar Tom Kohler-Cadmore Has Been Wearing In The Hundred?
Q-Collar device to help prevent concussion worn at World Cup
Quinn, Rodriguez among players wearing protective collar at Women's World Cup
The story behind the experimental collar worn by Luke Kuechly
Brain-Protecting Q-Collar Technology Spreads Through Sports World