Schylla and Scyla using a variety of utensils that look something like tuning forks, making different noises at different pitches. Sometimes, though not often enough, this is accompanied by a wonderful ear massage. It may have a scientific purpose, but I don’t really care. There’s something superbly cool about Mer-people rubbing your ear lobes while red worms tickle your elbows. Is it weird to say that?