Sitkari Pranayama (Hissing Breath)
This is done by opening lips, keeping the upper and lower teeth touching each other, then inhaling through mouth with hissing sound, then performing kumbhaka with bandhas and then exhaling with nostrils. The air passing via tongue, cools the blood, lowering the temperature of the blood.
Procedure
Sit in a comfortable position.
In this exercise, a hissing sound is produced when the breath is drawn...