"Yeah, the chain goes through these iron cuff things and holds the whole row of slaves together, the other end goes out through a hole in the wall."
"Couldn't be better. I'm filing one of these links, and when it goes we're both free. See if you can't slip the chain through the holes in your shackles and lay it down without letting the next slave know what is happening. We'll wear these iron cuffs for now, there is no time to play around with them and they shouldn't bother us too much. Do the guards come through here at all during the night to check on the slaves?"
"Not since I've been here, just wake us up in the morning by pulling on the chain."
"Then let's hope that's what happens again tonight, because we are going to need plenty of time—there!" The file had cut through the link. "S
