The document provides tips on how to pop your ears safely when experiencing ear pressure changes due to altitude variations. It discusses how changes in air pressure can cause ear clogging and discomfort as the eustachian tubes become blocked and the air pressure in the ears becomes unbalanced. It then lists several methods to safely pop your ears, including yawning, swallowing, chewing gum, drinking water, gargling water, using steam inhalation, and applying a hot compress. The goal of ear popping is to open the eustachian tubes and equalize the air pressure on the eardrums to relieve clogging and discomfort.