In this video, I'm showing my TeleTunes double flutes, designed and 3D printed by Mauri in Finland. Available from Etsy: https://www.etsy.com/de/shop/TeleTunes

You can read the subtitles in my blog and there's also a German translation. Eine deutsche Übersetzung der Untertitel findet sich in meinem Blog. https://andijah.eu/index.php/2025/03/25/teletunes-double-flutes-doppelfloeten-aus-finnland/