rule 34 2020 animal genitalia animal penis anthro anus backsack balls bent over blindfold bondage bondage bound bovid broken key caprine chastity cage chastity device clothed clothing comic digital media artwork english text equid equine equine penis felid flaccid gag gagged genitals goat group hands behind back hi res machairodontine male malemale mammal nipples nude open mouth open mouth gag penis permanent chastity device petpolaris pliers questionable consent restraints rope rope bondage teasing text tools 5361805