Rule 34 Dev - 2021 abs almondpidor animal_genitalia animal_penis anthro balls big_balls big_penis black_bars canid canine canine_penis canis disembodied_penis erection genitals hi_res knot letterbox male mammal masturbation muscular muscular_anthro muscular_male pawpads paws pecs penile penile_masturbation penis sheath solo_focus vein veiny_penis wolf|5036778424