Natyashastra
अरालौ तु विपर्यस्तावुत्तानौ वर्धमानकौ । उत्सङ्ग इति विज्ञेयः स्पर्शस्य ग्रहणे करः ॥ १३९॥
Utsaṅga—When the Arāla hands are contrarily placed and are held upturned and bent, the Utsaṅga hand will be the result. (Uses): It is used to indicate feeling of touch.
english translation
arAlau tu viparyastAvuttAnau vardhamAnakau । utsaGga iti vijJeyaH sparzasya grahaNe karaH ॥ 139॥
hk transliteration by Sanscript