How to sew a EASY Sleeve Placket of a Dungaree Shirt

Main fabric : Dungaree (cotton 100) The brown 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 also used for stitch 1 needle sewing machine : DDL5571N JUKI 1 needle overlock sewing machine : MO3604 JUKI