Ensign Tendi holding a Hiverian metronome
A Hiverian metronome was a type of metronome.
In 2380, after Ensign D'Vana Tendi accidentally ruined Lieutenant jg O'Connor's sand mandala and spiritual ascension ceremony, she tried to get him back on track towards ascension by gifting him a Hiverian metronome. (LD: "Moist Vessel")