The hybrid system: A mix of the two sofa mechanisms, this entails pulling, folding, or sliding a frame out to transform the sofa into a bed. For example, the bottom in the Write-up Nordby Pep Sofa Mattress slides out and much more cushions raise to create the sofa bed surface https://zanelicwo.bloggosite.com/37670076/a-secret-weapon-for-beds-high