The Quilcom SIM-THROAT is an effect plugin and the idea is you sing into it and use it to simulate throat singing. It’s far from being convincing or authentic but you might have some fun making noises with it!
The zip contains 32 and 64 bit plugins and a 32 bit one for XP users. The User Guide will help to understand what it does and how to get results. There’s also a Background info folder with PDFs and links which you might find interesting. As always, click on the picture to download.