Rule 34 Dev - anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anthro bdsm blindfold bondage bound canine_genitalia canine_penis collar collar_only ear_piercing erection fur genitals hair harness harness_only knot knot_in_sheath leash male nipples nude open_mouth penis piercing sheath solo submissive tongue tongue_out rinzy canid canine mammal 9:16 hi_res|14806641710