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Sometime when using the thumbtack, it will be dangerous because it can't receive carefully and will stab in fingers, so we tried to improve now existing thumbtack. The cork will place into Corktack, it will hide the pin safely when its collected together, it looks like a pen when its stacked up together and can place in the pen case,and can take Corktack easilyand not be stab when you needed it. There are non-slip groove in each side of Corktack. We put megnet into Corktacks body to make the thumbtack not only a thumb tack, the hexagonal shape is to make more safety when Corktack drop, it will fall in the side and not the pin on the top.
Tainan University Technology
Tainan University of Technology