Rule 34 Dev - 4_toes all_fours anal anal_penetration anthro backsack balls butt casual_sex clothed clothed/nude clothed_male clothing countershading digitigrade doctor duo exam_table examination eye_contact feet fucking_machine fur furniture genitals hair hand_on_butt hindpaw looking_at_another lube_tube machine male mane medical medical_examination medical_instrument nude on_table only_one_nude patient pawpads paws penetration pillow raised_tail rear_view scientific_instrument sex smile standing stethoscope table tail three-quarter_view toes whiskers white_body white_countershading taurin_fox canid canine canis felid lion mammal pantherine wolf 2005 blue_and_white monochrome|8178453290