"...those are your pulse points, do not ever wrap a rope completely around them unless you want to lose that limb from lack of circulation. Always check on your bottom, feel to see if they get cold, or if the skin turns purple or if they complain about tingling or numbness." Nona said, as she unwound a coil of rope and had Denton's arms out and ready. "First I'm going to show you a basic single-column tie. Find the mid-point of your length of rope, we're going to call that the bight, and hold it up."