Rhiannon Ryder: Teach My Boyfriend To Be A Cunt Rhiannon Ryder is the kind of sub who crosses her arms behind her back the moment her knees drop to the floor. Yep, were going hardcore this week, friends. In fact were going double-hardcore because not only is Rhiannon an outstanding submissive example of the female species, shes also dragged her boyfriend along for the fun. That fun, in black and white, is: – Physical domination