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This product is more convenient for consumers to take off the bottle caps.
Product is made of rubber material, which can be used for any size of plastic lid,the internal is zigzag,which can increase the friction with cap itself, the external surface is smooth, when you screw the bottle cap that reduces the pain brought by the zigzag .protruding triangular part can also be more convenient to use, will not slip because of the smooth surface.
Wuhan University of Technology
WuHan, China
Lu Liu,
Wuhan University of Technology
Jian Xiong,
Wuhan University of Technology
Yuan Zhuang,
Wuhan University of Technology
Xinling Feng,
Wuhan University of Technology
