Thin Mdf boards attached with zippers, inside the “bags” at the carpet, become a retractable structure, easy to set up with Velcro ends. Your every day and under estimated carpet,  might become the life of the party, when you push the coffee-table to the corner and set up your Carpet-lounge for your friends to chill out.  Three back suports (armchair like angles) and two chaise-longues, your sofa is not enough!