Question: what are ushanka used for?
Answer: '"ear flap hat"'), also called an ushanka-hat (Russian: ша́пка-уша́нка, IPA: [ˈʂapkə ʊˈʂankə]), is a Russian fur cap with ear flaps that can be tied up to the crown of the cap, or fastened at the chin to protect the ears, jaw, and lower chin from the cold.