What Are The Collars That NFL Players Are Wearing? Explained
Women's World Cup players' unusual collars at tournament explained - Soccer - Sports - Daily Express US
Redskins Injury Update: Vernon Davis placed in concussion protocol - Hogs Haven
A Wearable Collar Is Hoping To Provide A Major Breakthrough In Concussion Prevention Tech
Meghan Klingenberg of the NWSL's Portland Thorns Talks Using Q-Collar
Meet the Q-Collar: a brain-protective device being worn in the NFL
Quinn, Rodriguez among players wearing protective collar at Women's World Cup
Q-Collar, developed by Westport firm, may give football players additional protection from concussions
Will This Device Protect Athletes' Brains, or Only Make Them Think It Does? - The New York Times
Anti-concussion collars: Hope or hype?, by Raeesa Gupte
The story behind the experimental collar worn by Luke Kuechly
White collar Dalton Schultz and other NFL players wear was inspired by woodpeckers : r/CTE
I Wanted to Protect Myself': How a New Medical Device Plans to Limit Concussions in College Football & the NFL