They pass a few other things that are equal parts alarming and silly on their way to the first merchant, and Will can't really explain them, but they're interest to gawp at. “This is the first guy I tried for a bike chain,” Will says, over the whirr of the beetle-type machine they're walking past. “She wanted way more than two marks, though.” They're coming up on a clearing full of disassembled machines, where the only things with moving bits are no bigger than a generously-sized jewelry box and seem to work better than anything else they've seen so far.