Shiva Purana
अघोरं दक्षिणे वामे वामं सद्यं च पश्चिमे ॥ रक्षां विधाय मुद्रा च बद्ध्वा कुंभाभिमंत्रणम् ॥ १७ ॥
Aghora is on the right, left and immediately on the west. After setting up the raksha and tying the mudra he chanted the mantra for the pot.
english translation
aghoraM dakSiNe vAme vAmaM sadyaM ca pazcime ॥ rakSAM vidhAya mudrA ca baddhvA kuMbhAbhimaMtraNam ॥ 17 ॥
hk transliteration by Sanscript