उपलेपनादिकथनम्
Vastraputa-jala, Ahimsa, and Conduct in Shiva Worship
ये पुत्रपौत्रवत्स्नेहाद् रुद्रलोकं व्रजन्ति ते तस्मात्सर्वप्रयत्नेन वस्त्रपूतेन वारिणा
ye putrapautravatsnehād rudralokaṃ vrajanti te tasmātsarvaprayatnena vastrapūtena vāriṇā
Diejenigen, die mit Zuneigung wie zu Söhnen und Enkeln Rudras Welt erreichen—darum soll man mit allem Eifer Wasser verwenden, das durch ein Tuch gefiltert und so gereinigt ist (zum Dienst und zur Verehrung).
Suta Goswami (narrating to the sages of Naimisharanya)
It stresses dravya-shuddhi (purity of offerings): even water should be cloth-filtered, showing that careful, reverent worship of the Linga supports attainment of Rudraloka.
Shiva is implied as Pati (the Lord) whose loka is reached not merely by ritual, but by tender, familial devotion (putra-pautra-vat-sneha), indicating grace responding to bhakti joined with purity.
A key puja-practice is highlighted: offering vastrapūta-vāri (cloth-filtered water), reflecting outer purity that supports inner purification central to Shaiva sadhana and Pashupata discipline.