From band posters to gang graffiti.
Locals are used to reading the walls for all kinds of messages.
Cruising Sunset Junction on Friday in Silver Lake, we noticed this, a message from the Angry Therapist.
Anyone know what he or she is getting at?
Perhaps more importantly, who is the Angry Therapist?
Take a guess in comments and we'll let you know the location of our secret Patch birthdy party.