Ashtangasamgraha 34.25

34.25

The finger-knife (aṅguliśastra), with its blade emerging from a ring, having a blade half a finger long similar to either the vṛddhipatra, the maṇḍalāgra, or the adhyardhadhāra, with a circular ring sized to fit the first joint of the index finger, and tied with a strong thread, is employed in throat disorders.

Some suppurate with little pain; others discharge and itch intensely;

others vanish, while others arise, persisting for a long time.