Rule 34 Dev - anatomically_correct animal_genitalia animal_penis balls big_sheath border canine_genitalia canine_penis furniture genitals holding_own_sheath holding_sheath knot lipsticking lying male masturbation muscular muscular_male on_back penis sheath sheathjob sofa solo white_border toggle_(artist) ron_thunderr canid canine fox mammal|16680249215