'Vines' starts with a provisional cast on and is knitted flat then the ends are grafted together at the end. But you can do a regular cast on and seam the ends together if you prefer. You can ofcourse not join the ends and wear it as a regular scarf.
here, this is the Ravelry link and you can see the whole 'Scarves, Etc' collection here.
Quince & Co isn't that easily available in the UK yet but Loop in London is my
All photos in this post are used with permission from Quince & Co.