I'm sure he took them to a cobblers and had them resoled [you can actually have that done, I think, but I'm sure they'd have to be sent away]. And you couldn't realistically walk that far without proper footwear. And he wouldn't be able to wind duct tape round them without having a pair of scissors [have you ever tried to cut duct tape or even carry it with you without it sticking to everything]. And he kept washing his clothes and they'd be dry overnight [not possible]. I can cope with things like that in, say, Lord of the Rings [didn't , for example, worry about how they travelled all through Middle earth without a change of undies] but this wasn't the sort of book that I could do that with. [I know I'm really anal ...]