Barotrauma is a type of eustachian tube dysfunction ... The eardrum is a thin membrane between the ear canal and middle ear. It serves as a barrier that helps keep bacteria and dirt out of your ...

So you put the instrument in the ear canal, and you aim the water at the ... the hook in and then pull just in one go, you can cause barotrauma, which is basically damage via pressure, and that ...

Barotrauma: Sudden shift in air pressure within ... Otitis externa (swimmer's ear): Dirty water lodged in the ear canal provides a breeding ground for bacteria, resulting in inflammation, pain ...