Bound For A Martinet Whipping
Spanking Blog writes:
Use the martinet, stow the martinet, tell the girl you’re going for a beer and will be back in a few minutes after her welts have had time to rise. “Don’t go anywhere, and don’t you dare drop the whip!”
According to Spanking Blog (and the visible signature) the artist is Waldo. I believe this may be his blog here.
Elsewhere on Bondage Blog:
Oh! Dear she looks like a pony girl with that tail