The OctaHarp Selectable is one of my favourite harmonica inventions, dating back to 2017. I'm happy to announce it's back again - by popular demand! The OHS now features Gasket-Valves, making assembly fast and easy.
Here's the release video, combining as a Tech Tuesday episode:
https://youtu.be/vgoXNIo_UbQ
Webpage links etc are in the Description.