Or it can be called just admitting a mistake and moving on. The Seahawks signed Matt Flynn to a big contract and started a rookie Russel Wilson after taking him in the 4th round. It's what any good franchise would do
Another way to look at it is if the Texans win, and the Titans lose (they are currently trailing KC) then the Titans have to win out for the Texans to not win the division.
I think he's wearing it to hear the play calls, only thing I can think of that's legit. Otherwise, here's a hat and clip board; put both hands on your collar/neck line/ assume the back up position.