Rule 34 Dev - abs animal_genitalia animal_penis anthro balls biceps big_penis blackchaos666 canine claws curled_horns demon equine_penis erection front_view hands_behind_head horsecock hybrid hybrid_penis knot knotted_equine_penis kriig looking_at_viewer male male_only mammal muscular muscular_male pecs penis scar sitting solo tongue tongue_out triceps vein veiny_penis|2883196936