Step One: Gather stash in the color(s) you like.
Step Two: Cast on 400 stitches onto a really long size 15 needle.
Continue until you have enough width to your satisfaction. As I will be going to New York City in February, mine will most likely be at least 8 inches wide. When it's done, I'll post it. Until then, rest from your holiday brouhaha if you can, drink a cup of warm cocoa and listen to Brenda's podcast.
It will be nasty weather tonight in the River City. A good time to knit and hope that the power doesn't go out.