The hybrid mechanism: A mix of both sofa mechanisms, this will involve pulling, folding, or sliding a frame out to transform the sofa into a mattress. Such as, the bottom from the Posting Nordby Pep Sofa Bed slides out and even more cushions raise to create the sofa bed area. https://deanxjsye.like-blogs.com/30896967/considerations-to-know-about-house-beds