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In our lives, we often are in danger of theft .Like in the train station and the subway,where our backpacks of other zipper belongings can be quetly opened by thieves.
The anti-theft zipper can prevent this by happening,by improving the oringnal anti-slip machanism.By bringing the zipper to the bottom end,pulling the puller straight down,it will move.In order to unzip,simply pull the along the opening direction.The zipper will come out from the locking mechanism’s recess and it can be used normally.
Dalian University of Technology
Dalian Polytechnic University School of Art and Design