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"Tied" is a new multifunctional bookmark.Composed of long strip and adjustable fastener.When it is used as a bookmark,you can put a pen on the socket.Moreover,when you don't need it,you can adjust the soket and it will become a bracelet.Since then,people won't worry about losing bookmarks.
Chengdu University of Technology
Jiadong Lin ; Qiuheqi Zhong ; Liling Qin ; Mi Tang