Drue Tranquill, a linebacker for the Los Angeles Chargers, wears a Q-Collar around his neck. The Q-Collar is a small, lightweight necklace-type device that applies a light pressure to the sides of the neck, increasing blood volume in the brains venous structures, reducing the harmful internal movement that causes brain injury. The device is designed to help prevent head injuries and limit the damage of hard hits that may cause concussions and other head injuries. The Q-Collar is the first and only device in play today to prevent traumatic brain injury. Drue Tranquill is a partner with Q-Collar and has been wearing it to help protect his brain and reduce the risk of concussions and other head injuries.