Kliff Kingsbury lends support for 49ers coach Kyle Shanahan in hat 'beef'
Our Solution for Kyle Shanahan's Hat Beef with the NFL
Let 49ers Coach Kyle Shanahan Wear His Flat-Brimmed Trucker Hat
49ers coach Kyle Shanahan on recent practice brawls: 'I want people to be irritants,' not fighters
Wes Welker never won a Super Bowl with the Patriots. Will his luck change as a 49ers coach? - The Boston Globe
Kyle Shanahan unconcerned with Jimmy Garoppolo calling 49ers' QB situation weird - NBC Sports
Super Bowl 54 is Kyle Shanahan's chance to put 28-3 behind him for good
Niners' Kyle Shanahan says he has 'beef' about his hats : r/49ers
49ers coach Kyle Shanahan is mad at the NFL over peculiar rule that impacts what he can wear on the sideline