Assertion: backpack's zipper | /r/CapableOf | open up entire bag
Facets:
value: to give easier access
type: PURPOSE
Source sentences:
text: A clamshell bag opens with one or two zippers from the top to reveal the contents from above, whereas a tri-zip uses three zippers that open up the entire bag to give you easier access to items stored at the bottom of the bag.
text: Open up the rear zipper, which opens up the entire backpack, and you have room for all of your lenses (including a telephoto lens).