"In 2016, a Spanish train conductor requested the company he worked for to send someone to relieve him at the end of his shift. When the company failed to do so, the conductor had the train stop in a village and simply went home, leaving 109 passengers stranded."
I would say it's like crinkled saran wrap. I can make the pops slow or fast, but I always associated it with a throat muscle, not an ear muscle... I guess it is in the bottom of the ear and down the neck a bit.
"Yeah...that MUST be it." responded George, with prescription-strength sarcasm.