त्र्यश्रौ पक्षःस्थितौ चैव कटिजानू समौ तथा । धनुर्वज्रासिशस्त्राणि मण्डलेन प्रयोजयेत् ॥ ६६॥
The feet should be obliquely placed in a triangular position, with the waist and knees kept natural. Weapons such as the bow, thunderbolt, and sword should be used with the Maṇḍala posture.
english translation