Over the course if two evenings, I turned this:

Into this!

I’m so pleased with these singles- I think they’re among the best examples of my spinning, and I can’t wait to ply! I think I divided the roving pretty evenly, so there should be some nice color gradation.
However, as I spun, the right hand fingers that do most if the work turned from clean to this:

I don’t think I have any oil or grease leaking out anywhere, so I wonder if the gray sections were to blame? Any insight?