Uncle Bazza was right. The flight caps (rather than helmets) kept the pilots from getting cold (and going deaf) while flying with their cockpit canopies open. Thanks for the history lesson, Jason.
“You don’t know how it feels” and “Don’t Come Around Here No More” are Tom Petty songs, hence the “Well look who’s being petty” and “juke box” references.
Given what it contains, it is probably for the best.