Check it out
The picture is a little too small for me to get a good look, but it seems to be a similar construction to the back and sleeves of the Knitty’s Tubey sweater. If you follow the directions for that portion of Tubey it would be a seamless shrug.
Oh I love that. I am looking for one to knit for christmas for my 12 year old neice. I was hoping for a one piece one. Because I am not good at this yet. I figured one piece = less sewing together.
It is a gorgeous shrug I might have a go.