This document describes a Tantric ritual called Yoni Tantra that involves the worship and ritual sexual intercourse with the divine female yoni (vagina). It explains that Yoni Tantra is mentioned in some Kaula and Sri Tantras. The document then outlines the content of the Yoni Tantra text including introductions to concepts like Svecchachara (acting on one's own will), reverence for women, the goddesses associated with parts of the yoni, and the eight sections or "Patalas" of the text that provide instructions for Yoni Tantra worship and sadhana (spiritual practice).