Rule 34 Dev - anthro bdsm biped black_collar bondage_gear bondage_gloves boots clothing cock_gag collar duo footwear gag grey_background handwear harness hoof_boots hoof_gloves hypnosis male mask mind_control petplay ponyplay roleplay shoes simple_background solo_focus species_denial submissive submissive_anthro submissive_male tongue tongue_out wide_collar alebehemut borzoi canid canine canis domestic_dog hunting_dog mammal sighthound 2021|16388052695