| http://www.w3.org/ns/prov#value | - The door of this embodiment of the present invention may be of any material, either flexible or rigid, and may be attached to a corresponding door opening using any attaching mechanism, including a zipper, a lock, a latch, a catch, a pin, by frictional contact, hook and loop fasteners, magnetic clasp/seal, or other similar attaching mechanisms.
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