Party Crashers Etiquette

Chapter 2: The Art of Sudden Entry and Exit

Upon arriving uninvited, always knock three times. This signals to the host that you've arrived and are prepared for the consequences.

When leaving, do the opposite: leave without warning, and make sure to knock three times on the way out. This ensures a smooth exit and a 50% chance of being let back in.

See also:

• Chapter 1: The Art of the Perfect Apology
• Chapter 3: The Science of Discreetly Grabbing the Last of the Nachos