Answering 3 Questions about the Lupaca Bone Quena

These flutes are a little pricey compared to their wooden kin. There's something mystical and special about a bone quena though, and so enthusiasts are at some point likely to become interested in claiming one for their own.
A fellow Hivean, @quochuy has asked a few questions about this flute, and I thought, when I have questions like this, I much prefer to hear the answer, as opposed to being told the answer.
...Then further, I thought, anyone else with these questions may also benefit from a short demonstration video on QuenaSabor, so here I have one.
If you're wanting to get a little bit if a closer feel for how the Lupaca bone quena performa, this video is for you.
Pilamayaye!