It has you knit the whole thing then drop a stitch every seven as you are casting off.
Here is what it looks like when it is finished. It is marvelously comfy, this was knit with sockotta. Really it's made for sock making but I like it for "other" things, like thread for penny rugs, it looks wonderfully marled.
Here is today's Paton sample of the wonderful scarf /shawl pattern.