The story behind the experimental collar worn by Luke Kuechly
Could experimental device protect Luke Kuechly from concussions?
Q-Collar gives Bills linebacker Klein sense of protection
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Redskins Injury Update: Vernon Davis placed in concussion protocol - Hogs Haven
Peyton Football blazes a trail, outfits all its players with Q-Collars believed to reduce risk of brain injury, High School Sports
Could experimental device protect Luke Kuechly from concussions?
Vernon Davis' mysterious neck device might save him from concussions
Two Sask. high school football teams wearing collars designed to reduce concussions
Local researcher helped develop Q-Collar device that Eagles running back will be wearing in Super Bowl - NKyTribune
What is the Q Collar, the device NFL players are wearing around their necks
Drue Tranquill Finds Collision Safeguards in Revolutionary Q-Collar