Hi dr I have a habit to finger anus Today I read an article on how to know your anus in and out So I tried to check it out They mentioned names of a lot of internal parts of the rectum And advised to insert finger and feel as far as one can While checking I reached to a part that felt like the outside of the anus to touch but it was very soft closed organ surrounded by a large ring to the outside It felt like a closed mini anus inside about 2 inches away What is that doctor Can u pls tell me My friend is in medical profession who told me it could be the dentate line or Above it Is she correct Should I not opt for anal fingering ? Pls help me