Q-Collar device to help prevent concussion worn at World Cup
Here's why NFL players are wearing these Collars around their neck, q collars
$200 Q-Collar is designed to prevent athlete brain injuries
Sun Prairie East football program adopts new equipment to help minimize concussions
Concussion prevention: Q-collar can reduce brain injury - Sports Illustrated
After NFL and FIFA WWC, player spotted wearing Q-collar in Hundred, what is it?
$200 Q-Collar is designed to prevent athlete brain injuries
$200 Q-Collar is designed to prevent athlete brain injuries
Sorry if this has already been answered, but what are these collar things that I see in a couple of the guy's necks? : r/nfl
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