Nothing annoys people more than high-pitched sounds that just get on their nerves. If you want to wreak havoc and cause undue distress to people (because yeah, you’re a prankster like that), then the Annoyinator is just the thing you need.
It’s essentially a targeted loudspeaker of sorts for your iDevices. It was conceptualized by the Henry, who is the son of Caleb Crome, the Kickstarter project’s listed creator. You see, Henry wanted his dad to create the loudspeaker so he could aim the sounds from the ‘Dog Whistle’ app.