How to Sew a Separating Zipper (exposed) of a MA-1 Flight Jacket

How to sew a Separating Zipper (exposed).

Category: MA-1 Flight Jacket
Fabric: Cotton twill

Collar: Rib knit fabric
Flat-felled seam in side and back yoke
Plain seam and overlock in shoulder line
Double fold hem
Overlock in neckline (Normally bias-bound seam)
No sleeves
No pockets
No lining

Adjust Differential Feed to shrink it because Rib knit fabric is stretch.
It is called Differential Feeding to change the amount of movement of the feed dogs that can perform independent motions in front of and behind the needle.

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BGM composition : Button hole craftman

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Paris collection, Tokyo collection etc… Sample garment factory Atelier Saison.
We have sewed at Shibuya-ku, Jingumae in Tokyo for more than 35 years.