He had created this post about the sketchbook and pen that he uses.
I tried the combo out and it's a lot of fun. I started with a couple sketches from photos as the weather's been pretty lousy here lately.
And here's some still lifes from a demo at St. Joseph's Vinyard a couple weeks ago.
The linework from the Lamy fountain pen semi dissolves. The resulting grey wash helps unify (and dull if you're not careful) the colors.