Paddy: I think I have it. OK The pull thing is tied
Patrick: Great, now pull
Paddy: SHIT
Patrick: Did it come undone?
Paddy: No, it's fine. I'm attached quite well actually
Patrick: Then what's wrong?
Paddy: Well, it comes down to physics and maths
Patrick: What does that mean?
Paddy: I have no legs and therefore no leverage, my wizened physique is not enough to weigh on the release, and...
Patrick: You tied yourself into the cord didn't you
Paddy: I see you're already familiar with knot theory
