येन केन च पत्रेण काष्ठेन च जलाद्बहिः । कार्यं संत्यज्य तर्ज्जनीं दंतधावनमीरितम् १५ ।
For gargling, the water can be taken in any vessel or a wooden cup; but water shall be spit outside (not in the river or tank). Washing of the teeth with any leaf or twig must be without using the index finger and outside the water.