Rule 34 Dev - anal anal_penetration animal_genitalia animal_penis anthro anthro_on_feral anthro_penetrating anthro_penetrating_feral bdsm bestiality bondage bottomwear bound clothed clothing dominant dominant_male duo ear_piercing equine_genitalia equine_penis erection feral feral_penetrated fur genitals gloves hair handwear horn interspecies larger_penetrated male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male muscular open_mouth penetration penis piercing quadruped sex shorts size_difference small_dom_big_sub smile spikes standing submissive submissive_male tattoo tongue topwear vest lionsilverwolf bovid bovine cattle equid mammal 2014 monochrome|2495391885