The Howlbreaker, a new tool that got Taho a Class D gift box, was created like this.
To be honest, Althea wanted it named Beast's Whistle Bane but they made a poll and she lost that battle.
Anyway, the Howlbreaker used the combination of sound and vibration to do this task.
Although...because most monsters had a different frequency or wavelength that worked on them, this experiment took a lot of calculation and experimentation to work.
It was also a frequency that didn't bother humans and even other races, though the initial versions did make Baku and the half-orcs irritable.
It was as if something was trying to pull on their fangs, they said.
Naturally, that model was deemed a failure, but the Research Team definitely kept a version of it in case they encountered hostile half-orcs someday.
They also had to consider wind, which was not constant. It wouldn't do to have such a tool only for it to stop working because there was no wind, right?
