what does tony pollard wear on his neck

Tony Pollard wears a medical device called the Q collar around his neck. The Q collar is a small, lightweight necklace-type device that applies slight pressure to the wearers internal jugular vein. It helps reduce brain injuries such as concussions by increasing blood volume in the brains venous structures, reducing the harmful internal movement that causes brain injury. The Q collar is a revolutionary technology that can help athletes in football and all other contact sports. Tony Pollard wears the Q collar to help keep his brain safe on the field and feels like he has an advantage on the field when wearing it.