"A shako (/ˈʃækoʊ/, /ˈʃeɪkoʊ/, or /ˈʃɑːkoʊ/) is a tall, cylindrical military cap, usually with a visor, and sometimes tapered at the top. It is usually adorned ...
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with some kind of ornamental plate or badge on the front, metallic or otherwise, and often has a feather, plume (see hackle), or pompom attached at the top." - (en.wikipedia.org 11.12.2019)