The bestselling book made Vance a so-called "Trump whisperer" who was frequently invited onto cable news panels to help explain Trump's appeal to blue-collar white voters. And in that role, Vance ...

The NFL requires Guardian Caps for most players during practice, but the technology remains optional during games.

But in recent years, the NFL believes it has found a way to at ... That includes not just Guardian Caps but also inventions like Q-Collars, which are touted to reduce the effect of repeated ...

In the NFL, which is beset by the specter of concussions, the Q-Collar has “ambassadors” on the Kansas City Chiefs, Los Angeles Rams, and Chicago Bears, among other teams, according to its ...

The devices began showing up on NFL sidelines a few years ago and are ... Coach Greg Spahn said the program received a grant to purchase 22 Q-collars to be used in games and practice by players.