Left little — water (apas)
Anatomical-left hand
The anatomical-left little finger mirrors the water locus and completes the second hand inset. The assignment is a selected teaching convention within the broader and varied mudrā literature.
Point 10 of 10 in Mudrās — Hand Element Circuits (मुद्रा)
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Vasant Lad, Ayurveda: The Science of Self-Healing (secondary)
Hand-mudrā section, five-element finger correspondence; little finger is assigned to water in the convention used here.
Kularṇava Tantra (primary)
Chapter 17, mudrā teaching and ritual hand gestures.