MRI results show a special collar worn by Cincinnati athletes continues to protect the brain from changes that may occur after a head impact. The Q-Collar , puts pressure on the jugular vein, increasing blood volume to create a natural bubble wrap around the brain. Our collar applies gentle pressure to the muscles surrounding the jugular veins with maximum comfort. pic.twitter.com/hPFYjAbiPG — Q30 Innovations (@Q30Innovations) May 19, 2016 When designing a device to prevent concussions,