They were over Chapel Lock. The Square was only ten yards farther along—but this hackney had already passed Daniel by, and at its mad pace would soon overtake Saturn as well. Daniel still nursed some hope that he might be able to summon a carriage or a chair in the Square—but it would not be easy to persuade a strange driver to light out in hot pursuit of a hackney being driven as recklessly as this one. They needed to keep the buyer in sight as long as they possibly could; for there was no way of telling how long he would wait to put the key he had just paid for into the key-hole in the bottom of the chest, and turn it.