We recommend using your favourite short-row method in stocking stitch for the yoke shaping, or you could try the Japanese short-row method. See http://bit.ly/japansr for a tutorial.
I CORD EDGING
Cast on 3 sts to beg of rnd. *K2, K2tog, slip 3 sts from right needle to left needle. Rep from * until only 3 sts of i-cord rem. Cast off. Join to cast-on edge of i-cord.