Knock Knock Joke with a New Format to Jokes!

This is just a lame old knock knock joke, but I'm putting a twist on how the answer is reached.
But please, once someone replies, following the whole idea, please no one else reply until i write something, or the joke is finished...
So here we go!
Knock knock.
But please, once someone replies, following the whole idea, please no one else reply until i write something, or the joke is finished...
So here we go!
Knock knock.
