Why Frenzel: The Difference Between Frenzel vs Valsalva 👂
Many Freedivers have heard of equalization techniques called Frenzel and Valsalva, but do you know how they differ and why Freedivers prefer Frenzel? 🤔
Many Freedivers have heard of equalization techniques called Frenzel and Valsalva, but do you know how they differ and why Freedivers prefer Frenzel? 🤔