Rudra-prasava-varṇana
The Manifestation and Naming of Rudra / Nīlalohita
अधस्तान्नोपदध्याच्च न चैनमतिलङ्घयेत् / नैनं पशुपतिर्देव एवं युक्तं हिनस्ति वै
adhastānnopadadhyācca na cainamatilaṅghayet / nainaṃ paśupatirdeva evaṃ yuktaṃ hinasti vai
Place nothing beneath it, and do not step over it. One who is thus properly observant is not harmed by the god Paśupati.