Kapalabhati pranayama is an advanced yoga breathing technique that involves short, powerful exhales and gentle inhales to purify and refresh the body and mind. The document provides instructions for performing Kapalabhati, noting precautions for certain individuals and conditions. Benefits include cleansing the respiratory system, increasing metabolism and energy, and calming the mind. The technique is done in rounds of 20 breaths while seated comfortably with an engaged core.