Rule 34 Dev - 2_penises anal anal_penetration animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro balls beard big_balls big_penis diphallism duo equine_genitalia equine_penis erection facial_hair genitals horizontal_diphallism horn knot male male/male male_penetrated male_penetrating male_penetrating_male multi_genitalia multi_penis muscular muscular_male open_mouth penetration penile penile_penetration penis penis_in_ass ridges sex snake_hood spread_legs spreading tongue tongue_out vein tilionmaia higaku bovid bovine cattle mammal reptile scalie snake 3:4 hi_res|8167523035