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The needle on earrings exposed outside is very dangerous. It may couse some hurt on the behind of the ears.
This design coated needle, make the earring more safety to wear. The shape of recess let user more easy to insert the earring in to earring backs.
Ming Chuan University
Taoyuan, Taiwan
Yi-Ting Huang,
Ming Chuan University
Ching-Ying Lin,
Ming Chuan University
Chien-Ju Li,
Ming Chuan University
Ting-Yu Li,
Ming Chuan University
