The AllModern Elsmere Upholstered Convertible Sofa doesn't have a mechanism, merely unclip the leather straps within the back cushions to reveal much more mattress space. We enjoy the simplicity from the hybrid system on our best value pick, the Article Nordby Pep Sofa Bed too. Long-Long lasting Frame Construction Sleeper https://juliusubijm.techionblog.com/31039923/the-ultimate-guide-to-storage-queen-size-beds