The acupressure point GB 20 is located on Gall Bladder Meridian which is one of the 14 meridians in human body.

This point is located in a depression of bone hill behind the ear.

The technique includes palpation, pressure, circle massage for a minute

Not every kind of pain should be treated with massaging this point, but pain in the nape of muscle origin reacts very good of treating it.

People should know this point and treat themselves as first aid.