So you go down to meet Nick. "That's a nice skirt," he
comments. "But there's a string hanging from the bottom."
You look down. He's right! "Could you help me with it?" you
ask. "Sure!" he replies. You walk over. He takes hold of the
string and pulls. The skirt begins to unravel! "Huh?" he
mutters and pulls again. Now it's unraveled even more! "I'll get
it this time," he grunted and pulled it one last time. The whole
skirt unraveled and he was left with a long string in his hand and you
in your underwear!