Rule 34 Dev - abs animal_genitalia animal_penis anthro athletic athletic_male balls canine_genitalia canine_penis erection fur genitals knot looking_at_viewer male nipples nude pecs penis penis_grab presenting presenting_penis scar simple_background sitting solo white_background lynxwolf2 canid canine canis mammal wolf black_and_white hi_res monochrome|14767654615