Definition of stitch
Stitch is the unit of this sewing. Every unit of a seam line formed by interloping, interloping or interlacing of one or more threads is called stitch clothing. When one loop of a thread is passed through another loop of the same thread it is called interloping. When one loop of a thread passes through another loop of another thread it is called interloping. When one loop of a thread passes over another loop of another thread it is called interlacing.
Objectives of stitch clothing
1.To identify different types of stitches.
2.To observe the formation and structure of stitches.
3.To know about the uses of various types of stitches.

Theory
About 70 types of stitches are found using and from these types 18 to 20 types of stitches are mostly used in garments industries. All types of stitches are classified into 6 classes. They are
- Stitch class-100: Chain stitch
- Stitch class-200: Hand stitch
- Stitch class-300: Lock stitch
- Stitch class-400: Multi thread chain stitch
- Stitch class-500: Overedge/Edge neatening chain stitch
- Stitch class-600: Covering chain stitch
Stitch class-100: Chain stitch:
Chain stitches are produced by one or more needle threads and are characterized by interloping. One needle thread is passed through the fabric, form a needle loop, and is secured by the next loop formed by the same thread. Thus stitches are produced. This type of stitches is much unsecured. In case of the break of any stitch, it unravels very easily. The most common type of stitch is stitch class-100 is stitch type-101. As it is very insecure it is used for blasting operations which are temporary stitching operations for the positioning of the collar, cuff, and flaps, etc.