I'm now on the next round and the pattern says:
Cast on 2 stitches over the bound off ones. The previous round was to make eight slots where my straps would go through. I guess this round is to make the stop of the slots. How?
You could use the backwards loop cast on. Amy has a video.
See this thread too - http://www.knittinghelp.com/forum/showthread.php?t=83663