rule 34 2017 anthro bondage bondage bound bovid bovine braided hair cattle female frogtied gag gagged goliathcpg green rope hair horn legs tied mammal multiple piercings nipple piercing nipple ring nipples open mouth open mouth gag orange eyes piercing purple background ring gag rope rope bondage simple background story story in description submissive submissive anthro submissive female tongue tongue piercing tongue stud 4344414