Assertion: backpack's pocket | /r/HasProperty | hidden
Facets:
Source sentences:
text: Many backpacks come with useful extra features, like hidden pockets, removable pouches, and key loops, but one you might not realize can actually be put to use if the diamond patch that some backpacks have on their front.
text: It has a front pocket with an organizer and includes a secret back pocket for passports, credit cards, and IDs.