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Before, we needed many clips to fasten papers when we want them categorized. But Eventail Clip can fasten papers with one clip and categorize them at the same time.
It consist of six boards that spread like fan and one fastening pin, and you put papers between the boards by category and push the pin in to fasten it. You can control the spacing between boards by moving the boards along the axis of rotation.
Cheongju University
Chungbuk, South Korea
Cheongju University
Chungbuk, South Korea
EunChong Kim