AHS, Sū., 26, 18.1 vakrarjudhāraṃ dvimukhaṃ nakhaśastraṃ navāṅgulam /

Su, Sū., 8, 4.1 tatra maṇḍalāgrakarapattre syātāṃ chedane lekhane ca vṛddhipattranakhaśastramudrikotpalapattrakārdhadhārāṇi chedane bhedane ca sūcīkuśapattrāṭīmukhaśarārimukhāntarmukhatrikūrcakāni visrāvaṇe kuṭhārikāvrīhimukhārāvetasapattrakāṇi vyadhane sūcī ca baḍiśaṃ dantaśaṅkuścāharaṇe eṣaṇyeṣaṇe ānulomye ca sūcyaḥ sīvane ityaṣṭavidhe karmaṇyupayogaḥ śastrāṇāṃ vyākhyātaḥ //

Su, Sū., 8, 7.1 tatra nakhaśastraiṣaṇyāvaṣṭāṅgule sūcyo vakṣyante śeṣāṇi tu ṣaḍaṅgulāni //