How to sew a back vent on a shirt

The white strip is just a “PP strap“ that is often used for packing work. This is in order not to slide while sewing (sewing gap). When the thickness of the fabric is different, the pressure of the presser foot and the feed dog are not stable. Putting this tape means adding the height, this is very useful. It is used for stitch guide in this case.(10:07) This is a pen that what you write with this pen disappears with also disappears naturally after a few days.(08:59) 1 needle sewing machine : DDL-5550N JUKI 1 needle overlock sewing machine : MO-3604 JUKI Corded buttonhole sewing machine : LBH-782 JUKI Paris collection, Tokyo collection etc... Sample garment factory Atelier Saison. We have sewed at Shibuya-ku, Jingumae in Tokyo for more than 35 years. *This is a machine translation and may not be a perfect translation* #Sewing