How to khoomii

I have to admit that I would love to learn throat singing and I actually managed to produce some overtones after a couple of weeks trying, but my "khoomii" sounds kinda ...pffffff... no, I'll never be a professional singer (it wasn't my intention either) anyways, it's not easy at all and singing a song is much more complicated. So, I have a lot of respect for people who are able to sing khoomii. Well, if you want to give it a try, check this out
Learning some khoomii in Tsetserleg:

Even if I practiced a lot, I could never be like the 11-year-old boy in the following video: