ML744D OVERLOCKERThe MyLock 744D with electronic foot control is an advanced overlocker with 2 needles and 2, 3 or 4 thread overlock stitching. The differential feed ratio, which is adjustable from 0. 5 to 2. 25 provides exceptional control for handling all types of fabrics and for creating desired special effects. Threading is a breeze with colour coded thread guides and a self threading lower looper. Simply lay the thread into the guide, flip a switch, and the lower