Mudra is the sanskrit word used to name a hand posture. The mudras, or hand postures, are used in meditation and esoteric ritual practice.
A popular application of mudras can be found in the art of
kuji-in, a practical esoteric technique used to enhance spiritual, mental and physical abilities.
kuji-in contains 9 mudras that generate powerful
spiritual experiences. Some of those mudras are often seen on statues of
Buddhas.