diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 9388c84f..62ff6923 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -997,6 +997,11 @@ def new_workout_from_file(r, f2,
         message = "It looks like this file doesn't contain stroke data."
         return (0, message, f2)
 
+    if fileformat == 'kml':
+        os.remove(f2)
+        message = "KML files are not supported"
+        return (0, message, f2)
+    
     # Some people upload corrupted zip files
     if fileformat == 'notgzip':
         os.remove(f2)
diff --git a/rowers/utils.py b/rowers/utils.py
index 921c8491..0b3f2d93 100644
--- a/rowers/utils.py
+++ b/rowers/utils.py
@@ -62,6 +62,8 @@ coxes_calls = [
     "Let's relax the shoulders, and give me a power ten to the finish!",
     "Almost there. Give me ten strokes on the legs!",
     "Let it run!",
+    "Don't rush the slides!",
+    "We're going for the line now. Power ten on the next.",
     ]
 
 info_calls = [