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Little Helper / line barrel

Little Helper
Little Helper

The little difference between traditional bobbin and new bobbin is adding two incision one is round card slot to prevent bobbin line scattered when the bobbin fall down to the ground.the other is square card slot to cut off the line more convenient when you are pulling gently.


East china jiao tong university

East china jiao tong university
Nanchang city, China


East China jiaotong University

East China jiaotong University
Nanchang, China

Jinpo Zhang Danyang Zhang Ranran Guo