machine automatique à faire les boutonnières

OBS: boutonnière : Petite fente faite à un vêtement pour y passer un bouton.

CONT: ... 38 stitch function. Built-in automatic buttonhole. Decorative, utility, and stretch stitches including double overlock stitch. Independent adjustable stitch length. One motion threading with precision engineered built-in tension.
OBS: buttonhole: a slit or loop through which a button can be fastened.