Koreans usually wear accessories in winter.
Winter jackets are necessary because of extreme cold weather. So, if we wear a thin clothes, we will freeze.
Also, we need to wear a gloves. It is necessary. If we don't wear a gloves, our hands will freeze. We need to wear a scarf too. I think scarf is not necessary, but it will also help to keep you warm. Lastly, you need to wear ear plugs. You mentioned this during our class today.
However, I think ear plugs are not necessary.
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