Pursed Lip Breathing

Question 1

How do you PLB correctly

Answer 1

Inhale slowly, deeply through nose
Exhale slowly
Relax facial muscles
It's like:
When you blow through straw In glass water forming small bubbles 
Blow candle lit enough to bend not out
Table tennis ball across table 
Blow tissue until flaps 
8-10 reps 3-4times aday