Phil: [aside to camera] It goes without saying that the Butler's escape is one of the most challenging feats of escapology an illusionist can perform. It's- It's based, of course, on the well-known story of the Earl of Flanning's manservant Percy, who was imprisoned in the Tower of London, and as we all know, refused to take off his uniform when he was shackled. Famously, as the, uh, tower guard Gert slept, Percy freed himself and leapt over the sleeping guard, giving rise to the popular expression... [looks to Claire] "Percy jumped the Gert."