Which jews harp is best for a beginner?

Fang case

Fang case
Cases for Khakass komuses /
Oberton Pro Lab measurements:
Overall dimensions: 130x30x0 mm (?)
Archived model (?)
"Krivoflat" case made of mahogany, with a valve, for jaw harps ("Tyva" Khokhlov / "Wolf Fang" by Khomatov.
You can order the production of a similar casemakerby changing any parameters.