mounted potato racing
... that the early 20th-century American rodeo event of mounted potato racing could become violent, with biting being almost the only tactic that was prohibited?
... that the early 20th-century American rodeo event of <b id="mwBPo"><a href="./Potato_race" id="mwBPs" rel="mw:WikiLink" title="Potato race">mounted potato racing</a></b> could become violent, with biting being almost the only tactic that was prohibited?