He had found it on a deep-web forum dedicated to "Bio-Acoustic Hacking." The description had been brief: Not music. Not white noise. A sequence of frequencies designed to bypass the conscious mind and stimulate the nervous system directly.
The core innovation of the protocol is a specific low-pitched vocalization. It is not a moan of pleasure, but a deliberate sound made during the exhale of a specific breathing pattern. The Key Sound Multiple Orgasm Trigger Protocol.rar