Keira Knightly, apparently practised the facial expressions that
she would have during the filming of solo sex acts in front of the
26-year-old Keira Knightly plays a young psychiatric patient
named Sabina Spielrein in A Dangerous Method. In the film,
the protagonist gets sexual thrill from being spanked.
Keira is quoted by the Sun newspaper as saying that once she was
done with practising the various expressions she could have for the
film, she would get on to Skype with David and show him all that
she could do. He would then help her decide which expression suited
A Dangerous Method is based on the true life story of
Sabina, who formed a sado-masochistic relationship with her famous
psychiatrist Carl Jung.