Single-needle lockstitch

Each number denotes a sequence of stitches within that class. For example, aU lockstitch formations are contained within the class of 300. Therefore, stitch types 301, 302, 303 and so on are all single-needle lockstitches. The primary stitches for sewing sportswear fabrics are described as follows. 

Figure 6.24 Single-needle lockstitch (stitch number 301).

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