Sewing Machine Types, Features and Functions -
2020-1-5 · Buttons may be of various types, specially there may be shank under the button or during sewing shank may be made by thread. For sewing of button, lockstitch, chain stitch or hand stitch may be used. If chain stitch is used, sewing is seen clean to look at in the fabric at the back side of the button but the security of the stitch is relatively low, that means button may fall down any time by opening of the sewing.
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