There are rules, right? And you kinda expect rules to be obeyed, right? Sometimes, we end up with a group (let's call it a coterie) that's expected to follow a set of rules (let's call these rules The Masquerade) but the coterie keep breaching those rules! 
 
This holographic sticker is fillable with a dry erase marker so it's reusable, and you can mark how many nights it's been since the vampires have misbehaved last!