Which jews harp is best for a beginner?

Rectangular

Rectangular
1. Shape
Oberton Pro Lab measurements:
Overall dimensions: 20-1000x20-70x10-50 mm (?)
4 USD
Shipping: from 3 USD (more...)
Stock: Yes (5+)

best price
warranty
Simplest case with rectangular shape with anatomic place for jews harp. Fast productions speed - 1-5 business days, depending on other selected options like wood and finishing. Pictures provided showing only shape with pine wood, without finishing, as example.