The hybrid mechanism: A mix of each sofa mechanisms, this requires pulling, folding, or sliding a frame out to convert the sofa into a bed. By way of example, the bottom on the Article Nordby Pep Sofa Mattress slides out and more cushions lift to create the sofa mattress surface https://cover-dining-room-chairs62592.therainblog.com/30218671/the-2-minute-rule-for-best-orthopedic-dog-beds