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Have you ever been confused about how to clean the outter side of windows?It's quiet dangerous to lean out of windows and wipe it when your room is off the ground.
"Through" is a duster using manetism to help you clean both sides of windows.It consists of two parts.One is wore by one hand and the other one is hanged outside the windows.The magnetism keep two parts stick together through the glass.When you move the inner on ,the outer one will be draged by magnetism.Consequently,both sides of windows will be wiped at the same time.
Kai Bai Xu Zhang Peinv Xu Yiyun Xu