What do NFL players wear around their neck? Does the Q-collar really work? - AS USA
What Are NFL Players Wearing on Their Necks? Details Inside (EXCLUSIVE)
Meet the Q-Collar: a brain-protective device being worn in the NFL
Misrepresentation of actual science': Professor skeptical about Q-Collar science
$200 Q-Collar is designed to prevent athlete brain injuries
What is the anti-concussion Q-Collar worn by players at the Women's World Cup?
Q-Collar, developed by Westport firm, may give football players additional protection from concussions
What Are The Collars That NFL Players Are Wearing? Explained
What Is the Q-Collar, the Band NFL Players Wear Around Their Necks?
Q-Collar gives Bills linebacker Klein sense of protection