The raw art of this strip was up as a placeholder while the the strip was being finished.

Piro tweets: frame from todays comic: http://tinyurl.com/3sg6c8

Piro speaks:
No, this is not a new hatching style, this is the hatching underbase - i shade out under darker areas to mimic what happens with real hatching (the graphite darkening in between lines). Works pretty well, and its not to bad on its own.