Vijnana Bhairava Tantra
उपविश्यासने सम्यग्बाहू कृत्वार्धकुञ्चितौ । कक्षव्योम्न्नि मनः कुर्वन् शममायाति तल्लयात् ॥ ७९ ॥
Sitting in a correct posture and curving the arms and hands into a circle, fix the gaze inside this space. The mind becomes peaceful by this laya.
english translation
upavizyAsane samyagbAhU kRtvArdhakuJcitau । kakSavyomnni manaH kurvan zamamAyAti tallayAt ॥ 79 ॥
hk transliteration by Sanscript