Weird Tapping Feeling Behind Ear

My tinnitus has been going weird lately but the last few weeks I’ve been getting this strange feeling that comes and goes.

It’s my right ear and I get this tapping feeling behind it. It’s like as if you tap the back of your hand with a finger once or twice.

It doesn’t sound like anything just a feeling.

Has anyone had anything like this?
I know my eustachian tubes are messed up but this is just behind the ear not inside it.