How is it possible to ensure accurate matching of right and left shoulder seams on jackets?
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The PFAFF 3827-2/24 memorizes the entire seam sequence while the first shoulder seam is being sewn. When the shoulder seam on the opposite side is sewn this allows accurate reproduction of the seam. All sections of the seam sequence, such as flat sections or fullness sections, are then sewn in reverse (or mirrored).