diff --git a/trajectory_drawer.py b/trajectory_drawer.py
index e648211..4759771 100644
--- a/trajectory_drawer.py
+++ b/trajectory_drawer.py
@@ -37,6 +37,11 @@ class TrajectoryDrawer:
             self.complete_trajectory()
         elif event.key == 'escape':
             self.clear_trajectory()
+        elif event.key == 'e':
+            if len(self.points):
+                self.points.append(self.points[0])
+                self.update_plot()
+            
             
     def update_plot(self):
         if self.points: