Natyashastra
कौतुकविवाहयोगं प्रदक्षिणेनैव सम्प्रयोगं च । अङ्गुल्यग्रस्वस्तिकयोगान् परिमण्डलेनैव ॥ ४९॥
The preliminaries of marriage, such as circumambulation (pradakṣiṇā) and marital union, should be represented by two Arāla hands moving around each other, with their fingertips forming a Svastika in a circular motion.
english translation
kautukavivAhayogaM pradakSiNenaiva samprayogaM ca । aGgulyagrasvastikayogAn parimaNDalenaiva ॥ 49॥
hk transliteration by Sanscript