Rule 34 Dev - animal_genitalia animal_penis anthro balls black_body black_fur bound canid equine_genitalia equine_penis erection fur genitals hi_res hybrid_genitalia hybrid_penis knot knotted_equine_penis knotted_penis korka male mammal medial_ring penis pink_knot pink_penis pink_tongue sheath solo teeth tongue tongue_out white_body white_fur|13867352792