Hi Jon,
That looks like a foreign body every day of the week,
It looks exactly like a piece of hair that has either become ingrown (unlikely in this location), or more likely a piece of hair that has worked its way in there.
It doesn’t necessarily need to be hair but it is thin and linear in nature. It could be a thin slither of fibre like bamboo or the like.
I have seen an almost identical case recently and we extracted the foreign body under ultrasound guidance and it was a thick horse hair. The patient worked with horses.
Whatever it is it willl feel a whole lot better when someone opens it up and gets it out.
Nice videos.
Steve.