For keeping the second of the eight secondary tantric vows, vowing, when engaged in advanced complete stage anuttarayoga tantra practice, not to sit in union devoid of distinguishing (1) one's mind as having blissful awareness of voidness, (2) one's own and one's partner's sexual organs as vajra and bell arising from seed syllables and (3) one's own and one's partner's bodies in the form of Buddha-figures (yidam).
Tibetan: འདུ་ཤེས་གསུམ། 'du-shes gsum
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