Marketta Sihvo, Ph.D., a Finnish speech and voice therapist, introduced her LAX VOX -method giving workshops at numerous international voice conferences since early 1991.
Lax Vox Tube
$8.00 – $9.00
- %100 silicon,
- 35 cm length,
- 10 mm inner diameter,
- 13 mm outside diameter,
- High-quality silicone product,
- Colorless, orange and blue color options.
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