Ex-NFL star Vernon Davis advocates for athletes to use Q-Collar
Luke Kuechly wearing experimental neck collar in 2017 - ESPN
Brain-Protecting Q-Collar Technology Spreads Through Sports World
Hard-to-see experimental device Luke Kuechly wears on field might
Could experimental device protect Luke Kuechly from concussions
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Q-Collar, developed by Westport firm, may give football players
Quinn, Rodriguez among players wearing protective collar at
Ex-NFL star Vernon Davis advocates for athletes to use Q-Collar
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Concussion prevention: Q-collar can reduce brain injury - Sports