Supernatural has MANY keychains featured over the course of the long running show. This first keychain is Dean's which is a bullet, it of corresponds nicely with the guys' lives as hunters. It can be seen several times throughout the show. This screen cap is from season 5 episode 18.
From season 1 episode 15
From season 1 episode 16
From season 5 episode 14
From season 4 episode 7 The show features many keychains from the motels and hotels the guys stay at.
From season 14 episode 4 Toys are coming to life and trying to kill a comic book shop employee. Sam and Dean figure out a ghost has attached itself to the keychain of the shop. They dispatch the ghost after it inhabits a life size replica of a slasher villain.
