Talk:NYPD Uniforms and Ranks/@comment-73.226.191.193-20170114040519/@comment-2601:184:C380:36AA:317F:698F:75E5:EE35-20181020233753

Each point of the hat of the police officer's "cover" signifies one member of the original Dutch "Rattle Watch" patrol. In the pre English New York, the city was protected by roundsmen using a rattle, sounded in the event of trouble and signaling a call for help.