Rule 34 Dev - 2020 absurd_res animal_genitalia animal_penis ankles_tied anthro arm_around_shoulders balls bodily_fluids bondage bondage bound canid canine castration_device castration_play castration_threat chastity_bulge chastity_device chastity_seal dominant dominant_male dripping duo equid equine equine_genitalia equine_penis erection gas_mask genital_fluids genitals gimp_suit hand_on_bulge hand_on_crotch hi_res horse horseshoe imminent_castration inside male male/male mammal mask muscular penis petplay plaguedobsession ponyplay potheplatypus precum precum_drip roleplay speech_bubble stable standing submissive submissive_male wide_eyed wrist_strap wrists_tied|8571390520