Why you not ask Sarah, what she like, you doing with her? She have own Idea. She not like, you put your finger in her asshole or somethin others. Ask her. This make pain. I know this. Everytime, the Doc examin my back Hole - to see, all is OK - this make me much pain and i hate this. And im so glad, my wife never want put one, two, three finger in this hole.
Sarah like, you examin her very interesting vagina. with her many interesting parts. Ask her. If you not know - here, it give a thing with name "klitoris". This part you need study very good with your Eyes, Finger and Tongue. Long. long time! Sarah like this! You need ask !