Well, I find human anatomy to be all fun and good, and I wanted to observe the structure of the back more when I drew this one. I was also playing with tools and techniques in Open Canvas and Photoshop, using different pen settings in oC, and seeing how things worked in tweaking the image in photoshop and adding stamp brushes to it.
The character himself was a military officer during a civil war, and he had been placed in charge of discipline and interrogations at an internment camp. Suffice to say, he's not terribly pleasant.