기능

• It is a type that can be inserted into a helmet or hat.
• You can wear any kind of hat.
• Depending on the thickness of the water chestnut, adjust the thickness by stuffing paper or the like between the slots.
• Can be used with glasses on.
• The lens can be raised and lowered freely, and the lens can be rolled up.
• The ear-shaped helmet with wide visibility is sold separately.