The hybrid system: A mix of each sofa mechanisms, this consists of pulling, folding, or sliding a frame out to transform the sofa into a bed. One example is, the bottom in the Article Nordby Pep Sofa Mattress slides out plus much more cushions elevate to create the sofa bed https://castleminecraft68131.sharebyblog.com/30913763/twin-size-loft-beds-an-overview