What is the anti-concussion Q-Collar worn by players at the Women's World Cup?
Q-Collar gives Bills linebacker Klein sense of protection
Q-Collar Provides Head Protection - ASME
Quinn, Rodriguez among players wearing protective collar at Women's World Cup
Q-Collar: New equipment helps protect the brain of high contact sports players
Q-Collar helps Texas guard Audrey Warren hampered by concussions
Can the Q-Collar Save Football From Its Concussion Problem? - InsideHook
Carolina Panthers great Luke Kuechly promotes Q-Collar he believes extended his career - ESPN - Carolina Panthers Blog- ESPN
The story behind the experimental collar worn by Luke Kuechly
What Are The Collars That NFL Players Are Wearing? Explained
Experts uncertain of benefits of new wearable device to prevent brain injuries - ABC News
Hard-to-see experimental device Luke Kuechly wears on field might save his brain
What is the Q Collar, the device NFL players are wearing around their necks
Q-Collar device to help prevent concussion worn at World Cup
The only FDA-cleared device that helps protect the brain during head impacts.