Rule 34 Dev - 2021 anthro athletic athletic_anthro athletic_male ball_gag black_body black_fur black_hair canid canine clothed clothing david_morston ear_piercing facial_piercing fangs fur furgonomics furry-specific_piercing gag genitals gold_(metal) gold_tooth green_eyes grey_body grey_fur hair hi_res looking_at_viewer male mammal muzzle_piercing navel nipples nose_piercing penis penis_base piercing pink_nose smile solo teeth tongue tongue_out undressing|6084007760