The hybrid mechanism: A combination of both of those sofa mechanisms, this requires pulling, folding, or sliding a frame out to convert the sofa into a mattress. One example is, the bottom with the Short article Nordby Pep Sofa Bed slides out plus more cushions lift to create the sofa https://rowanzexrp.blog-ezine.com/31135102/5-simple-statements-about-x-rocker-beds-explained