what is the difference between a serger and an overlocker

You might want to consider the size and weight of the machine. When you purchase a regular sewing machine . This makes it perfect to take on vacation with you. However, a heavy-duty machine will be heavier and bulkier. While you can still lift and re-position the device, carrying it for long distances might be more difficult. 

Another benefit of an easy-to-use heavy-duty sewing machine is its versatility. These machines can handle a wide range of fabrics, from delicate silks to heavy denim, and can sew a variety of stitches, from basic straight stitches to intricate embroidery designs. This versatility allows users to take on a wide range of projects without having to switch machines.

The concept of a sewing machine chain originates from the need for efficiency and speed in garment production. Before the advent of sewing chains, seamstresses relied heavily on manual sewing techniques, which were time-consuming and labor-intensive. The invention of the sewing machine introduced mechanized stitching, but it was the development of the sewing chain that took this innovation a step further. Sewing machine chains allow for continuous stitching across multiple layers of fabric, providing enhanced productivity and precision.