Rule 34 Dev - animal_genitalia animal_penis anthro balls bdsm biceps blue_eyes bondage bookshelf bound butt canine_genitalia canine_penis carpet clasped_hands claws collar collar_only cuff_(restraint) dog_tags duo erection eye_contact eyebrows fur furniture genitals gloves_(marking) grey_body hair half-erect hand_on_chin holding_penis inside jewelry knot looking_at_another male male/male markings masturbation muscular muscular_anthro muscular_male necklace nipples nude pawpads pecs penis raised_tail red_body red_eyes red_fur restraints rug sheath size_difference smile stairs standing tail touching_penis wrist_cuffs coinlucky howlfeiwolf markins canid canine canis domestic_dog mammal wolf 4:3 absurd_res digital_media_(artwork) hi_res|19892868520