Rule 34 Dev - 5_fingers animal_genitalia animal_penis anthro balls big_balls big_penis biped bodily_fluids canid canine canis claws collar cum cumshot dobermann domestic_dog ejaculation equid equine equine_genitalia equine_penis erection fingers flared_penis fur genital_fluids genitals hi_res hooves hybrid male mammal masturbation medial_ring muscular muscular_anthro muscular_male pecs penile penile_masturbation penis pinscher plna simple_background solo spiked_collar spikes tail tail_motion tailwag vein veiny_penis white_background|12414835040