Smart is the man who anticipates his woman's intentions. And makes preparations to please her.I found a couple of interesting posts on the subject during my research. I may regret sharing these, as they might give a certain provider even more ideas regarding her subs...particularly when it comes to the “penis plug”!
https://mrracy.com/urethral-sounding-guide/
https://mrracy.com/first-cock-sounding-session/