The new pattern is called Indigo Waves and is available for purchase on Ravelry. I used Siren 2 sock yarn from Pigeonroof Studios. The color way is Indigo Ink. It is a beautiful semi-solid showing dark blues at their best.
I have a few tricks up my sleeve for 2012 including an improved written pattern with charts for Pyroclastic. Look for it soon in my Ravelry shop.
