Rule 34 Dev - 4_toes animal_genitalia animal_penis balls blep canid canine canine_penis canis claws digital_media_(artwork) erection feet feral flop fox fur genitals heliofox knot looking_at_viewer lying male mammal nude on_back pawpads paws penis presenting quadruped seductive simple_background smile solo toe_claws toes tongue tongue_out upside-down|6090302792