Thereafter, mother Yaśodā and Rohiṇī, along with the other elderly gopīs, waved about the switch of a cow to give full protection to the child Śrī Kṛṣṇa.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
यशोदारोहिणीभ्यां ताः समं बालस्य सर्वतः । रक्षां विदधिरे सम्यग्गोपुच्छभ्रमणादिभिः
yaśodārohiṇībhyāṃ tāḥ samaṃ bālasya sarvataḥ | rakṣāṃ vidadhire samyaggopucchabhramaṇādibhiḥ
SB 10.6.19