기능

• It is a type that can be inserted into a helmet or hat.　Depending on the thickness of the water chestnut, adjust the thickness by stuffing paper or the like between the slots.
• You can wear any kind of hat.
• Ideal for work in places with strong ultraviolet rays.
• Can be used with glasses on.
• The lens can be raised and lowered freely, and the lens can be rolled up.
• Helmets are sold separately.