Knocker ID
A persons distinct/unique knock that allows them to be identified before being seen or heard.
This allows the person to decide if they want to let the person in or pretend they're not in.
This allows the person to decide if they want to let the person in or pretend they're not in.
KNOCK KNOCK KNOCK......KNOCK....KNOCK..... KNOCK KNOCK KNOCK "whats that?!?" "Thats Matthew with the tens!" "how do you know?" "Duh! Knocker ID! N.O but you're stupid! "