I liked this one a lot, and spent quite a few hours working on it. Twas really fun to draw! One of my only pictures with a background, sadly. Like much of everything else I draw, there's lots of personal meaning behind this one. Over the years, all that pesky background detail has gotten kinna smudged...
And no, I don't know what the 'thing' is. Also, No, I don't know what he's doing with it.
Yes, mechanical pencil.