Related Clues:
- They may reveal your age: abbr
- They may be checked for R-rated movies
- Checkpoint needs
- DMV issuances
- Tags on bags
- Guards check them
- Dog tags, say
- They may be displayed for alcohol
- Airport security requests
- Employees' wear, for short
- Requests at roadblocks
- They are displayed for alcohol
- Fake ones get people bounced
- Dog tags, for instance
- They're needed to purchase liquor