ironing board cover and pad_fitted table covers
At the heart of the modern sewing machine lies the chain stitch mechanism. This technology uses a series of interlocking loops created by a needle and a looper. The chain stitch is distinctive due to its ability to create a durable seam that is both flexible and elastic. Unlike traditional lockstitches, which require two threads to form a cohesive seam, chain stitches use only one thread in a loop, significantly reducing the amount of material needed. This not only lowers costs but also accelerates the sewing process, enabling manufacturers to produce garments at a remarkable speed.
sewing machine chain

A pair of raw or selvage denim jeans is quite thick, requiring special attention during the sewing process. A heavy-duty sewing machine equipped with a strong motor and construction is essential for piercing through multiple layers of such dense material. This powerful machine is not just about brute force. It helps to maintain uniform stitch length and tension while sewing denim to prevent puckering and to ensure a clean, polished finish.