No.17 – 筒型1本針本縫上下送りミシン / Cylindrical 1-needle, mainstitch, top and bottom feed sewing machine

上下送り(上下の送り歯)なので厚物アイテムで生地厚の箇所でも、目づまりを起こさず縫うことができます。
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The top and bottom feed (top and bottom feed teeth) enables sewing of thick items without clogging, even in areas with thick fabric.