Rule 34 Dev - anthro anus ass balls bed canid canine canis claws dobermann domestic_dog duo erection furniture genitals hi_res kneeling knot knotted_penis looking_at_viewer looking_back looking_back_at_viewer lorenzobrezo low-angle_view male mammal open_mouth open_smile pawpads penis perineum pinscher rear_view smile spread_butt spreading|12962281536