3 ms·

I wonder if it uses Opporknockity strings, the ones that only tune once?

• dwagnerkc 4mo ago
  Supposed to be able to install on any piano, and remove without any sort of permanent damage or anything, can see on this page https://dgdevices.com/gallery https://dgdevices.com/gallery
  • cf100clunk 4mo ago
    My opportunity to use that old joke only knocked once.
    • dwagnerkc 4mo ago
      Well, I don't think face palm emojis are support on HN, but certainly this would be the time for one, Ha!