Chainstitch is continuously formed with a single thread and by a blind looper which eliminates the need for a bobbin thread refilling. In addition, the basted seam can be easily undone....
Our MB-4DFO Flat Overlock Sewing Machine is a new sewing machine designed by Merrow to produce activeseam TM . This Flat Overlock Sewing Machine is a two or three- thread premier industrial serger that sews three versions of the merrow activeseam....