a bias binding system facilitates the filing , storage , and retrieval of rigid , tabular objects . the bend and living hinge holder design allows for the rigid , tabular objects to be scrolled and scanned easily for rapid retrieval . the bias binding system is manufactured from a thin plastic web that is capable of collapsing and expanding easily and that is loose enough to display identifying numbers or symbols on some or all of the objects . the binding can be completely or partially biased to any side to reveal object information . the bias binding system is also used as a storage system for cds and their literature .