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Upin / Upin

Upin
Upin

It was uncomfortable to use the previous T-shaped tack for someone who has short nails, the weak and elderly, and the children. Upin supplemented the shortcomings of the tack by changing the T-shaped tack into the U-shape to wrap the needle in order to design Upin as the shape that is easy to pick off and safe from the danger of getting pricked.

University

MOKWON UNIVERSITY

MOKWON UNIVERSITY
Daejeon, South Korea

jeon hyejin,
MOKWON UNIVERSITY