Rule 34 Dev - 2022 absurd_res ambient_bird anthro avian bird bondage bondage bound chastity_cage chastity_device digital_media_(artwork) ears_up equid equine footprint grey_body harness hi_res horse male mammal mask metal_mask mitokep navel outside raised_arms restraints rope rope_bondage slave solo standing text url wall_(structure) wrists_tied|7763910608