Obtain a rope and lay it down on the floor or on a table. Fold the first 2 feet of the rope over so that it is doubled into a loop.
Fold over the very top part of the rope at the looped end. Treat it as though it is a single length of rope. Cross it over and then beneath the length of rope. When a rope is looped, it is said to have a "bite."
Pull the rope through loop you created to make a knot at the end but leave at least three inches of a loop above the knot. This is known as a figure eight on a bite. Having a loop above the knotted part of the rope is necessary so that it can be attached to a substantial object after being clipped off with a d-ring, which is necessary when a firefighter is making a rescue.
Examine the knot you created in the looped end of the rope. Pull on it to ensure that it is tight. This type of fire knot is known as a "figure eight bite."