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"Free Vision" solves the raincoat hat head rotation can not be synchronized with the person's problems, people's vision is no longer blocked, so that when people wear raincoats or can easily see both sides of the road back to reduce the risk of people traveling in the rain .
Raincoat hat inside edge of the open area, with a flexible rubber strip can be stuck in the ear, so that rain-hat opening area can follow the rotation of head rotation, will not block the eyes.
Yimin Zhou Zezhou Cai Yuliang Chen