In some... some... yarn fume induced fugue state, I forgot to add the NECK SHAPING to the Steeked Jacket decreasing directions. Fear not, the neck decreasing doesn't start until part two of the decreasing, and maybe not even then. So I don't think anyone is far enough for it to matter yet.
But if you're doing a steeked jacket, please go back and re-read the steeked jacket directions; I'm adding a 'neck decreasing' section in Part Two. Doing that right now.