Kaushitakagrihyasutra 2.8.4

2.8.4

mekhalā cedasandheyā bhavati anyāṃ kṛtvānumantrayate medhyāmedhyavibhāgajñe devi goptri sarasvati \ mekhale skannavicchinne santanoṣi vrataṃ mama \ iti \4\

If the girdle cannot be repaired, having made another, he recites over it: “O goddess who knows the division between pure and impure, protector Sarasvatī, / O girdle, fallen away and broken, do thou restore my vow!”