Welcome to the forums and thank you for the link!
Two things come to mind when I see something like this. The first is...."how can she not know? She has his cock in her hand" but I guess it goes to show that some women really don't notice these things (although I will never understand how they can't).
The second thing is, I think there is a world of missed opportunity in CFNM pornography for us. There are so many situations where circ themed stuff could have been introduced into many of the CFNM clips I've seen...but nothing ever gets said. That's a real shame.