Chain stitches are produced by one or more needle threads and are charcterised by intralooping. One needle thread is passed through the fabric, form 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 calss-100 is stitch type-101. As it is very unsecured it is used for biasting operations which are temporary stitching operation for the positioning of collar, cuff and flaps etc