Rule 34 Dev - anthro armpit_hair axton balls body_hair border border_collie boxers_(clothing) canid canine canis clothing collie domestic_dog erection fur genitals gradient hair herding_dog heterochromia hi_res knot licking looking_at_viewer male male_only mammal nude pastoral_dog paws penis sheepdog solo tongue tongue_out tsaiwolf underwear|4007653560