It did appear after her last feed...

I feed them all F/T and it was the first time she was fed with me. She did not leave me the time to drop the rat and she was already at it. That would explain why she was not interested to bite after the first try. She might have caught the tongs and hurt herself then D:

She does not make more annoyed movements when I touch it, would I suppose it's going to go by itself in a few sheds? Is there something I can do to make it less hurt if it does still hurt her?