Clicking the play button below will produce a tone that is generally only heard by people under the age of 25.
It has been used as a deterrent device to keep teenagers from loitering in malls and shops, and sounds similar to a buzzing mosquito.
The elderly and people with hearing damage often cannot hear the sound.
Copy & paste the HTML code below to add this to your blog or website.
Everything on this website is written, drawn, and maintained by one guy.
Buy some posters or mugs from my shop so I can afford to wear pants made entirely out of rubies and koala meat.