The hybrid system: A combination of the two sofa mechanisms, this consists of pulling, folding, or sliding a frame out to transform the sofa into a bed. As an example, the bottom in the Write-up Nordby Pep Sofa Mattress slides out plus more cushions raise to create the sofa mattress https://balap77slotonline84948.ziblogs.com/31117403/new-step-by-step-map-for-ramp-truck-beds