कनिष्ठाग्र परीमाणं सत्वचं निर्व्रणं ऋजुम् । द्वादशांगुलमानं च सार्धं स्याद्दंतधावनम्
kaniṣṭhāgra parīmāṇaṃ satvacaṃ nirvraṇaṃ ṛjum | dvādaśāṃgulamānaṃ ca sārdhaṃ syāddaṃtadhāvanam
The tooth-cleaning twig should be as thick as the tip of the little finger, with bark intact, uninjured and straight; and its length should be twelve and a half aṅgulas.
Skanda
Scene: A close, instructional vignette: hands measuring a twig against finger and aṅgula marks; the twig is straight, barked, and clean; a small water pot and prayer items nearby.
Attention to detail in small acts trains steadiness—ritual order mirrors inner order.
This is part of Kāśī Khaṇḍa’s discipline for sanctified living in the holy city of Kāśī.
A proper dantadhāvana twig should be straight, unbroken, barked, little-finger-tip thickness, and 12.5 aṅgulas long.