This is the MP4 version of the below video clip

It was something about handcuffs, ankle cuffs, toe cuffs and chains that got Stark's sexual engine running in high gear. But with the ducttape gag, it was difficult to tell him. So she figured out how to let him know - laying on her back and thrusting her body upward so that her barely concealed crotch was moving toward him as best as she could
That's a message that's worth seeing!