Fold the middle finger completely under the thumb.
Shunya mudra known as heaven mudra. Shunya mudra gives the eternal bliss. Shunya mudra helps the practitioner to hear the Anahata sounds. Anahata are sounds heard by the Yogi or yoga practitioner at the beginning of his meditation cycle.
This mudra also helps to reduce motion sickness, vertigo or ear problems, release the fingers as soon as the symptoms have past.
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