AIRBUS / A320NEO key ring
Classic of classics! This remove before flight keychain is a replica of the fabric flames used to mark pins, pins, covers and other safety items when an aircraft is on the ground. They must be removed before any theft. They are therefore very visible so as not to go unnoticed and inadvertently forgotten.
There are also safety flames on the ejection seats…before the start-up, the runway mechanic must present them (there are several) to the pilot who counts them to make sure that his seat is operational.