Shiva Purana
कीर्तितास्ताः कलाश्चैव पादयोरपि हस्तयोः॥ प्राणे शिरसि बाह्वोश्च कल्पयेत्कल्पवित्तमः ॥ ७४॥
Those arts and also the arts of the feet and hands have been mentioned A person who knows the Kalpa should meditate on the life air, the head and the arms.
english translation
kIrtitAstAH kalAzcaiva pAdayorapi hastayoH॥ prANe zirasi bAhvozca kalpayetkalpavittamaH ॥ 74॥
hk transliteration by Sanscript