Earlier Mars had watched John place his tin into the bed sheet and roll it up, not one to spurn an idea just because he did not think of it, John grabbed a rather large rock and created his own flail.<br/><br/>Kneeling down to the stream, Mars placed a small rock into it to determine the direction it is following before turning back to the other two, "Do we want to find the source or destination of the water? I vote destination, could be a large lake, perhaps we can finally get out of here."