**Instructions:**
1.**Preparation:**Get the Eustachian tube unblocker ready.Take a mouthfulof water,justenough to feelcomfortablewhen swallowing.
2.**First Step:**Hold the device and place thebluetip against one of your nostrils.Withyourother hand,useyour index finger to pressthe other nostril closed,ensuringbothnostrils aresealed.
3.**Airflow Introduction:**Squeeze the orangebulb ofthe deviceto slowly introduceairflow into your nasal cavity for 5seconds
4.**Swallowing:**While maintaining the airflow,swallow the water.
5.**RepeatforOtherNostril:**Switch to theothernostril andrepeat the above steps.
6.**Rest:**After completing the steps for both nostrils,takea 5-minutebreak.
7.**Repetition:**Repeat the entireprocess.Each nostril should be operated twice, a total of four times.
8.**Success Indicator:**If you feel pressure changes or hear a"pop"sound in your ears,This means it is successful.