Raigo-in (Vitarka) Mudra -
The Reasoning and Teaching MudraClosely related to the Dharmachakra mudra; right hand points upward, left downward; both palms turned outward, with the thumb and index finger on each hand forming a circle; right hand at shoulder level, left hand at hip level.
In a variant, left hand rests palm upward in lap, with right hand raised to shoulder level with thumb and index finger forming circle; in another variant, the index finger and little fingers on both hands are extended, but the middle and ring fingers are curved inward slightly, with left hand pointing up and right hand pointing down.
AKASH (AAKASH / AKASHI): Sky posture.
The sky has an attribute - recess or space. Another attribute is sound. Sound is regarded as the eternal spirit. Sound travels in waves, which are scattered in the sky. By catching the sound waves, we are able to hear these on radio. As the sky provides space outside, so is the sky spreads inside. The lack or excess of elements in the sky outside leads to imbalance. The third attribute of the sky is vacuum or nothingness. This is the attribute that fills the sky. The sky can be filled only when it has nothing. How can already filled sky be filled? The yoga helps practice meditation in the inner space. Emotions get purified when one concentrates in the heart. The middle finger and the heart are interrelated.
Thumb and middle finger are joined. Index, ring, and pinky fingers are extended. Mana (head) mudra. Mana mudras form an integral part of kundalini yoga because they utilize eyes, ears, nose, tongue and lips.