Because she had no arms. "knock knock" "whose there?" "not sally!"
He "Baroque" his arm, and also he's dead.
Because the horse hugs the rails the jockey puts his arms around the horse and you can kiss your money goodbye!
She couldn't see that well.
Because they fall through his hands.
To get to your house... Knock, knock. Who's there? The chicken.
Someone knocking at your door for no apparent reason.
She had no arms. BONUS JOKE: Knock Knock. Who's there Not Sally.