Staring into the void

Trying something different of my usual. I usually draw in pencil and ink the lineart of my drawings with black markers.
Once in a awhile I try do it with brush, because I think it gives a total different feeling that I really like to see, but that I feel I haven't achieve the right control over the brush to do it - or maybe haven't found the perfect brush for it, yet.
Sometimes I'm able to ink with the brush, like in this one, other times I ruin a nice sketch. I guess I just need to keep practicing.