You do not need a specific "trademarked" sound to use your voice. Making deep, gutteral sounds, moaning, or sighing during masturbation naturally releases pelvic floor tension and prevents the body from clamping down into an ejaculatory response.
Disclaimer: Techniques involving the deliberate retention of ejaculation are generally considered safe, but individuals with prostate issues or cardiovascular conditions should consult a medical professional before engaging in rigorous sexual training protocols. Reddit·r/TibetanBuddhismhttps://www.reddit.com The Multiple Orgasm Trigger by Jack Johnston and Karmamudra The Key Sound Multiple Orgasm Trigger Protocol.rar