Rule 34 Dev - 4_toes aircraft airplane animal_genitalia autofootjob balls claws digitigrade erection feet feral foot_fetish foot_play genitals legs_in_air lying macro male masturbation object_in_sheath on_back pawpads paws penile penile_masturbation penis sheath sheath_play smile smirk solo toes unusual_anatomy unusual_genitalia unusual_penis vehicle yonnixart canid canine fox mammal 5:4 hi_res|23316158600