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In our daily life, when we tear down some bad products to repair, common screwdriver in the process of using, repetitive movements will let us feel some inconvenience and bored. The Twirl power will solve these problems. The design uses the principle of the clockwork pull. As long as the thumb twirls the rotation, the internal spring will have enormous energy that make it automatically rotates .Twirl Power will change the way of using the screw driver and make the process of the screw easy and fun.
Dalian Minzu University
Dalian Nationalities University