Which jaw harp is best for a beginner?

Round brass standard

Round brass standard
Nepalese Murchungas /
Oberton Pro Lab measurements:
Gaps: 150-300 µm (?)
Base frequency: 90-110 Hz (?)
Reed hardness: 70-140 gf (?)
Frame hardness: 300-1000 gf (?)
Reed size: 65x15-20 mm
Overall dimensions: 90-100x35x6 mm (?)
Archived model (?)
jaw harp primitive level, compared with real instruments close to the souvenir. An experienced player will be able to squeeze a full-fledged sound out of it, but why strain if it is much easier and more pleasant to play on most jaw harps?