They're seen on airport carousels

• Employees' wear, for short
• Voters may have to present them: Abbr
• They may be required to enter
• Wallet contents, for short
• Dog tags, e.g
• Voiceprints, for HSBC
• Unconscious parts
• Bouncers' reading material?
• Names, briefly

Wiktionary Word definitions in Wiktionary
n. (plural of id English)