Rule 34 Dev - 5_fingers abs animal_genitalia animal_penis anthro balls beard biped bodily_fluids brown_body brown_fur canine_genitalia canine_penis chest_tuft claws collar collar_only facial_hair finger_in_sheath fingering fingering_self fingers fur genital_fluids genitals male masturbation muscular muscular_anthro muscular_male navel nipple_piercing nipple_ring nipples nude pecs penile penile_masturbation penis penis_tip piercing precum precum_string ring_piercing sheath sheath_fingering sheath_play simple_background smile solo spiked_collar spikes tuft enro_the_mutt enro canid canine canis mammal wolf 2019 digital_media_(artwork) hi_res|14187924380