The AllModern Elsmere Upholstered Convertible Sofa does not have a system, only unclip the leather straps to the back cushions to reveal additional mattress space. We enjoy the simplicity with the hybrid system on our best benefit pick, the Report Nordby Pep Sofa Bed way too. Long-Lasting Frame Design Sleeper https://edwardb999ekv1.jts-blog.com/30262388/getting-my-costco-bunk-beds-to-work