Errata:

For those who purchased this pattern before 12-13-12, Row 27 should read:
Row 27: p1, k2, yo, sl-k2tog-po, yo, k2, p1, repeat.

Make Bobble SHOULD read:
mb= make bobble: kfb twice into same stitch, turn work, p4, turn work, k4, turn work, purl two stitches together twice, turn work, knit two stitches together.