No.16 – 2本針本縫針送り角縫付きミシン / Sewing machine with 2-needle, mainstitch needle-feed, square stitch

2本針ですが縫いの途中で左右どちらかの針が進むのを止めることができ、そうすることで角を縫うことができます。
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Although it is a two-needle stitch, it is possible to stop the progress of either the left or right needle in the middle of a stitch, and by doing so, it is possible to sew a corner.