So I am using it now with my dip pens (those were laying around for a while as well, since it is much more work to dip and draw). Gosh, see how lazy we all became? We are used to a fine tip marker pens or cartridge fountain pens. I just thought that it is time to use up my stash of this very nice waterproof ink.
Here it is, my sketches in watercolor and ink.
Here's the second ink and watercolor sketch