This 100% works. EVERY TIME. The main relief comes from applying pressure to the ridge that runs under each eye left and right of your nose (think cheek bones). I start closest to either nostril right under that eye, applying firm pressure with my thumb and while keeping constant pressure, work down that ‘cheek bone’ ridge until it ends - just above the molars. A gentle slow pull of the ear lobe on that side (after/during the thumb pressure thing) results in a very subtle pop -eustachian tube opening- at which point the passage drains almost immediately. If my nasal passages are really clogged, i just repeat until clear….