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This product is divided into two parts, the appearance of the hardness of the metal material is a metal material needle through clothing.The second part is a rubber material, rubber material with a certain degree of flexibility to protect fingers not injured also allows the people to use different fingers width.
Zhengzhou University of Light Industry
Henan Zhengzhou, China
Zhengzhou University of Light Industry
Henan Zhengzhou, China
Yue/Zhao Jie/Zhang
