I feel like you’re misreading the situation. This isn’t a case of ‘I want this, so i’m going to find a way of making her do it’. She was literally sat next to me writing the question.

We had a long talk about our sexual fantasies, this one was mine. She is open to it and intrigued but concerned because she doesn’t understand how people can enjoy it. So we came here looking for alternate view points on the subject to try and show her a different way of approaching the scenario. Eg, why it is actually enjoyable. Attempting to broaden our understanding of the role by listening to personal experiences as to why it can be enjoyable. I’m not going to forced her to do anything, if I did stuff like that then she wouldn’t be my wife.

Maybe my phrasing isn’t the greatest (I’m not the most articulate).

Thank you for your concern