Barnes wearing earmuffs
Earmuffs were a type of accessory worn to keep one's ears warm.
In 2372, Elim Garak promised to keep a pair of earmuffs on hold for Morn in case he changed his mind about them. (DS9: "The Way of the Warrior")
In 2381, Barnes wore pink earmuffs. (LD: "Wej Duj")