I have a question about increasing 1 st on each edge (right and left) on knitting. I understand that I can use M1L and M1K but I’m not sure which one I should use on which side. I understand that M1L has a left slant on the twisted stitch and M1R has right. I also understand that if I was doing paired increase with an axis as in a sleeve I should be using M1L for left side of the axis and M1R for the right side so it would be a mirror image. What I don’t understand is when I need to do M1 on each side of flat piece as in sweater front or back. One of my books says I should use M1L for Right edge and M1R for left edge.
This website also suggests that. But if so I want to know WHY.
Can somebody explain it to me why use one rather than another?