Rule 34 Dev - 4_fingers animal_genitalia animal_penis anthro balls cadaverrdog canid canine canine_penis canis domestic_dog erection fingers fur genitals grey_body grey_fur hair hand_on_penis knot long_hair male mammal masturbation multicolored_body multicolored_fur nipples nude penile penile_masturbation penis purple_background simple_background sitting solo tail tongue tongue_out two_tone_body two_tone_fur|8053871280