it does those 3 or 4 thread edges that you see on professional clothes etc.
Gives you a proper clean edge and stops fraying. You can hem using it too so you don't need to do rolled or turned hems.
Its got 3 or 4 thread spools that thread intricatly through the machine and cuts the free edge as you serge it.
Yep mines a 4 thread 2 needle machine it does various stiches that make hems ect. It doesnt do normal sewing machine stiches but a lot of people with an overlocker can make most things just using an overlocker ie clothes ect.
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