The Rakshasas milking her, in a jar of unbaked Earth, obtained the power of disappearing at will. Their milker Vaishravana and Vrishadhvaja was their calf.
अन्तर्धानं चामपात्रे दुग्धा पुण्यजनैर्विराट्। दोग्धा वैश्रवणस्तेषां वत्सश्चासीद् वृषध्वजः॥