sentence: Some events let people leave and return during the event.
sentences_before: Wristbands are often used at music events like concerts and sports event to show that the person wearing them has paid to be there.
sentences_after: Security wristbands allow the person to come back in to the event after they have given their ticket to the staff the first time they entered.
concept_name: event
headings: Wristband Types of wristbands Security wristbands
categories: Accessories Identification documents