Rule 34 Dev - 2017 abstract_background alpha_channel animal_genitalia animal_penis anthro anus arms_behind_back ass backsack balls blindfold blush bondage bound chastity chastity_cage chastity_device cum equine equine_penis erection fur furry gag gagged hair hands_behind_back harness horse horsecock looking_back male male_chastity male_focus male_only malesub mammal nipple_piercing nipple_weights nipples nude open_mouth open_mouth_gag orange_hair penis perineum piercing ravenouscannibal ring_gag signature simple_background solo solo_male spreader_bar spreading sweat tail_bondage tail_cuff transparent_background weights_(bdsm) whip_marks|2559322488