Many women do more than that when they're alone with themselves. But the contrived rules do not allow them to relax with a partner. It is not without reason they say, that a smart woman has it in her head, a fool has it in her mouth. I even know men who categorically reject such liberties.
Nimble babe and in spite of the modest size is quite appetizing! The front is very developed and roomy, but the anus probably the lady is not working. Just once flashed in the frame, and then tightly squeezed. Well, as they say - not everyone is given.