The direct way of the sex act is first (sixty-ninth) and the indirect way of the sex act is the seventieth śloka. When you are united with each other (śakti saṁgama) and when saṁkṣubdha śakti, when your other female partner is agitated… whatever joy is experienced by these partners, that joy has got a
This passage argues that sexual intercourse, in the Tantric framework, constitutes both a direct and an indirect method for accessing the bliss of Brahman-consciousness, making the sex act a formal instrument of spiritual realisation.
, Vijnana Bhairava: The Manual for Self-Realization, 1979thesis