Does anyone know how to do this stitch?
Is the pattern asking you to cast on extra stitches in the body of your work? That is the only time I use backward loop.
Look at the increases videos and the ones at the top - M1A/T - are the backward loop incs.
It’s part of the final four rows of a triangular shawl. it was started at the bottom of the V and the finish is at the neckline.
Yes, just do a backward loop inc which is the same as a backward loop CO of one stitch.