I just finished the heel on my first argyle sock.  I started working the last diamond, but the heel is bothering me.  The short rows are not as invisible as they should be, not to mention the little holes.  So I went back and looked at the tutorial again.  This will probably the the 5th time I’ve checked since I finished the heel.

I now see what I did wrong.  I picked up the wrap incorrectly on the knit side.  I also wrapped backwards on the purl side.  So that, hopefully, explains why both sides look bad.

Now I just have to convince myself to frog the darn thing and do it right.