Rule 34 Dev - 2_penises absurd_res anal anal_sex animal_genitalia animal_penis bodily_fluids diphallia diphallism dire_train genitals hi_res ivxair3p living_machine living_train living_vehicle machine male metallic_body multi_genitalia multi_penis penetration penis serpentine sweat tongue tongue_out train train_penetration vehicle|8643313568