Robert CASOLA, D.O.
  

Orthopedic surgery
Hyperbaric medicine
Medical director, Comprehensive Outpatient Treatment Services,
Southwest Florida Regional Medical Center

Watch Dr. Bob.

You can probably pick this up most easily with your on-line tutorial audios and movies, though there are also text tutorials.

The advantage with the audio and movie tutorials is that you'll see and hear people do this, and you may find it easy to do it yourself after a few minutes of listening or watching.