What is the Q Collar, the device NFL players are wearing around their necks

If you’ve been watching any NFL games recently, you might have noticed some players sporting white (or in some cases, black) horseshoe-shaped collars around their necks. But what are they?
If you’ve been watching any NFL games recently, you might have noticed some players sporting white (or in some cases, black) horseshoe-shaped collars around their necks. But what are they?

After NFL and FIFA WWC, player spotted wearing Q-collar in Hundred, what is it?

Chicago Bears vs. Detroit Lions Framed 10 x 20 House Divided

Sreshth Shah on X: Looks like cricket tech has seen a new upgrade. That collar strap around Tom Kohler-Cadmore's neck is a Q-Collar. The Q-Collar is used by NFL players and footballers

What is the Q Collar, the device NFL players are wearing around

Misrepresentation of actual science': Professor skeptical about Q-Collar science

Q-Collar (@QCollarOfficial) / X

Q-Collar helps Texas guard Audrey Warren hampered by concussions

N.F.L.: Once Big, Neck Rolls Are Now a Nostalgia Piece - The New York Times

What is the Q Collar, the device NFL players are wearing around

What is the Q-Collar? Explaining the band NFL players like Dalton Schultz, Tony Pollard wear around their neck

Will This Device Protect Athletes' Brains, or Only Make Them Think It Does? - The New York Times

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