ཕུད་ཉམས་མི་གཙང་ཡས་དང་གླུད་ཀྱིས་མནོལ།།
Purify the contamination that comes from offering in a substitution ritual something unclean that has already been used.
Offering, Sang Offering, Indian Masters, Padmasambhava, Tibetan Masters, Dudjom Rinpoche