Well this boy above will model it and the other boy will wear it. How fantastic that I don't have to beg ask for Alex to put it on and let me take a photo. I got out my "Singer Sewing with an Overlocker" book that I got with my 4 thread Singer overlocker about 25 years ago (I also got a great travel carry bag for it too but I couldn't afford the differential feed which was a brand new feature then). (I also note that the book is "Sewing with an Overlocker" and not serger). I was going to scan the book about how to flat lock but basically you start with a three thread (one needle and the two loopers) overlock stitch that is balanced. Then you loosen needle thread tension 'generously' (mine was under 1 - the lowest or most loose setting), then tighten generously the lower looper thread and loosen the upper looper thread slightly. Then overlock with the knife and when you are done, just pull at the seams just sewn. I have used the 'inside...
A record of my fabric and pattern collection (which I sometimes use) and what I do with any spare time I have.