This is the Windy City Scarf from the first Stitch n Bitch; k1 p1 rib on #9 circulars. Fashionwise, I am very scarf-challenged, so I liked the concept of a keyhole to pull the scarf end through. (This is also a reason why I like the seaman's style of the DNA scarf, no wrapping for the scarf-challenged person).
The Windy City scarf as executed here has several problems.
1) The purple section is too long. The black section is also far too long. About 2/3 of the black needs to be frogged to obtain a length that looks right on me in the mirror.
2) The colors are not working with the way the scarf is designed. In the SnB, the colors are different enough that the change pops out. I chose the colors to match a fleece that I have, which is obviously not garish enough. Since the tone is so similar, the black just looks like an incorrect purple.
3) I didn't know how to purl, so all of the purl stitches are twisted. This is not a problem per se; the scarf is thicker, and I like the effect. The problem is that I know how to correct for twisted stitches on the needle, and it will be a pain to knit incorrectly now if I want to redo parts of the scarf.
Number 1 can be solved by frogging, 2 and 3 cannot. 2 can be solved by changing the pattern, and 3 can only be solved by either re-knitting the entire scarf, or by being motivated enough by the pattern changes to knit eastern crossed for the duration of fixing the scarf.
My first idea was to rip out the black and replace with 1/3 the length of purple. Does the job, but is not particularly exciting, and I don't have a black end to match the cuffs of my light purple fleece. Then I thought of incorporating the Fibonacci sequence as a transition between the purple and black. I've wanted to do such a transition for awhile, but I'm not planning any projects that could incorporate it in the near future. So that solves problem #3.