An overlock (serger) sewing machine is commonly used for finishing garment edges and maintaining fabric elasticity.
Serger, overlock, processing machine... all these are basically names for one and the same machine. Overlock is mostly used in making and sewing garments, the processed material does not lose its elasticity, overlock can be with one or two needles or with 3, 4 or more threads (types of overlock stitch-points see in the picture below-overlock stitch) on "overlock stitch" affects; whether it is done with one or two needles or with 2, 3, 4 or 5 threads.




