The whole "sai" thing is recent in general, and so far using the brush setting I had was only on furry things... and I've never done horses. And honestly there's a first in a lot of this.
So I thought "I need to experiment."
Saw Thunderhoof floating around.
Sent a note, and  aether718 said yes.
Threw around some skeletons and sketches, and he liked this pose most.
So there it is.