I know you're in a hurry, but you need to be
patient and polite. We are doing the best we can. Very few people here use machines, if any, and they may not be the same one.
If you knit a long tube you still wear it around your neck like a scarf. You don't put it over your head like a collar. These links are hand knit tubes, but you can see what I mean, they are wrapped the same as a scarf knit flat.
http://www.ravelry.com/patterns/library/hogwarts-scarf
http://www.ravelry.com/patterns/library/gameday-scarf