Designing the perfect Femdom/submissive couple house

Ciao raggazi , i am working on a fun idea to design the perfect Femdom/submissive couple house , before i move on the the first floor plan sketches and 3D model , i want to hear what are the needs for femdom/sub couple in a house that will make their dynamic stronger and base these customers profile on my program I am talking designing the perfect femdom/sub kitchen , bdsm living room , secret sex dungeon , its a purely theoretical and fun exercise for me to design something i think every femdom/sub couple would dream to live in ! My question is , what would you need in your dream house with your perfect kinky partner ?!! Like a living room tailored to worshipping ,massaging the feet of ur femdom ? secret sex dungeons ? Give me ideas for sexy fantasies of this house and i will work on designing the perfect femdom couple house