Seetkari

Seetkari pranayama
Breathing technique which involves hissing leading to a cooling effect upon the whole body.
Setu Bandhasana ...

4. Eight kinds of laughter, shashankasana, tiryaka bhujangasana, full yogic breath, uddiyana bandha (abdominal contraction), seetkari pranayama (hissing breath), a story, shavasana with sankalpa.
References ...

See also: Sutra, Sannyasi, Hatha, Bandha, Asana