By exiting the boat back where the boat is narrower it reacts much less violently than if you were to jump out near the oar locks. If you need to stop the drift boat, you must pivot around and catch the stern as it passes by, then dig your heals in and hold on. Remember - you are the anchor and the brakes. This is the most hazardous maneuver for the oarsman. The difficulty is that the boat is transitioning from water moving one way into water moving another.
Fast current hitting the side of the boat can tip or roll the boat.
Care should be taken to cross the eddy line with the bow pointed as down current as possible. The object is to meet the oncoming current bow or stern first rather than from the side. Cross currents are much more likely to glance off and pass underneath rounded drift boat chines with out spinning the boat than they are sharpened square chines. Drift boats with rounded chines are also much more maneuverable for cross current set up. As a last note, leave prepared for the day's float.