While breathing in, tighten
throat(contract glotis) and there will be sound from back of
throat, then drop
chin(rest chin on chest), hold breath as long as possible.Then chin up, close right nostril and slowly breath out through left nostril.
Duration: 5 – 21 times
How to do Ujjayi
When you clear your throat, you tighten your throat and breath out, twice, with a pause in between. .