Rule 34 Dev - 2020 4_toes 5_fingers anthro anthro_on_anthro balls black_body black_fur brown_eyes canid canine canis collar digital_media_(artwork) domestic_cat domestic_dog duo erection felid feline felis fingers fur genitals german_shepherd gimka green_eyes herding_dog knot leash male male/male mammal pastoral_dog penis sex toes|4211012784