These vessels seem to have developed from the bisected conch shells used for the same purpose, which are also in the show.
Soon he heard the honking of men blowing horns made from conch shells.
Water was in fancy cups made of conch shells.
Then they were to sound the conch shells and advance through the mist.
When the conch shells began to sound, the hair stood up on the back of my neck.
Blowing of a white conch shell is heard from a particular mountain on some days.
She kicked at a pile of conch shells and sent them clattering down.
First there were long blasts on the conch shells - an unearthly sound.
He was silent for another long moment, listening to the conch shells increasing steadily in number and intensity.
Shaped like a jewel-studded conch shell and bigger than most houses.