https://glorian.org/books/the-narrow-way/white-tantra>This is a system that transmutes the sexual energy into Ojas (Christic force). The couple must restrain the sexual impulse and avoid the ejaculation of the semen.“The coitus interruptus,” the restrained sexual impulse, makes the sexual energy of the Third Logos to inwardly and upwardly return throughout the canals of Ida and Pingala.
Maithuna originates within the coccyx, close to the Triveni of the microcosmic human being, an extraordinary contact between the solar and lunar atoms of the seminal system.
The advent of the fire is the outcome of the contact between the solar and lunar atoms of the seminal system.
The gnostic tantric sadhana is very simple. During the tantric act, man and woman practice in the normal or ordinary sexual position; what is important is to withdraw from the sexual act before the spasm in order to avoid the ejaculation of their semen.