What is the Q Collar, the device NFL players are wearing around
What is a Q-Collar? Know All About Anti-Concussion Neck Strap Now
Q-Collar: A New Way to Play Safer
Could experimental device protect Luke Kuechly from concussions
Drue Tranquill Finds Collision Safeguards in Revolutionary Q-Collar
What is the Q Collar, the device NFL players are wearing around
Peyton Football blazes a trail, outfits all its players with Q
Women's World Cup players' unusual collars at tournament explained