"A bearskin is a tall fur cap, usually worn as part of a ceremonial military uniform. Traditionally, the bearskin was the headgear of grenadiers and remains ...
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in use by grenadier and guards regiments in various armies.
Bearskins should not be confused with other forms of headdress, including the busby, and other types of smaller fur headdresses." - (en.wikipedia.org 06.03.2021)