Busby (military headdress)
Busby is the English name for the Hungarian prémes csákó ('fur shako') or kucsma, a military head-dress made of fur, originally worn by Hungarian hussars. In its original Hungarian form the busby was a cylindrical fur cap, having a bag of coloured cloth hanging from the top.
Source: Wikipedia — Busby (military headdress) (CC BY-SA 4.0)