Dax was forced to hold both buckets at arm's length while reciting Klingon history to impress Sirella, her future mother-in-law in "You Are Cordially Invited" in Star Trek: Deep Space Nine. Unfortunately, Dax's research uncovered some questionable episodes in that family history, much to Sirella's chagrin. Of course, Dax's strength of will eventually won over the skeptical Sirella.