Natyashastra
पतनमरणव्यतिक्रमपरिवृत्तवितर्कित तथ न्यस्तम् । भिन्नवलितेन कुर्यात् कर्तर्यास्याङ्गुलिमुखेन ॥ ४१॥
When the fingers are turned differently (i.e., the middle finger is bent backward), this hand should be used to represent falling down, death, transgression, reversion, cogitation, and placing something in trust.
english translation
patanamaraNavyatikramaparivRttavitarkita tatha nyastam । bhinnavalitena kuryAt kartaryAsyAGgulimukhena ॥ 41॥
hk transliteration by Sanscript