How to sew a Knit Piping in a Collar of a Dungaree Shirt

Main fabric : Dungaree (cotton 100%) Knit Piping : SIC-553 Flash Line Knit Piping () “40,000 items of tapes, piping and laces! . showroom, a brand of clothing subsidiary materials“ - 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 guide.(01:34)