Blair sat her fat ass on me and rode my rod, then I fucked her from the back and finally finished in her mouth! From the scene we see how she seduces Feyd-Rautha.
Laying down on the table, Marcus walks in, noticing she still had her bra,underwear and knee high stockings on.
Roge joined the party and she sucked and fucked that cock.
To depict the fact that the Fremen are not shy we see them strip from their still-suits.