diff --git a/examples/shields/rl/helpers.py b/examples/shields/rl/helpers.py
index 5bd4a9f..7e97e27 100644
--- a/examples/shields/rl/helpers.py
+++ b/examples/shields/rl/helpers.py
@@ -28,16 +28,29 @@ class ShieldingConfig(Enum):
 
 def extract_keys(env):
     keys = []
-    #print(env.grid)
     for j in range(env.grid.height):
         for i in range(env.grid.width):
             obj = env.grid.get(i,j)
             
             if obj and obj.type == "key":
-                keys.append(obj.color)
+                keys.append((obj, i, j))
+    
+    if env.carrying and env.carrying.type == "key":
+        keys.append((env.carrying, -1, -1))
     
     return keys
 
+def extract_doors(env):
+    doors = []
+    for j in range(env.grid.height):
+        for i in range(env.grid.width):
+            obj = env.grid.get(i,j)
+            
+            if obj and obj.type == "door":
+                doors.append(obj)
+                
+    return doors
+
 def create_log_dir(args):
     return F"{args.log_dir}sh:{args.shielding}-env:{args.env}"
 
@@ -56,6 +69,8 @@ def get_action_index_mapping(actions):
             return Actions.pickup
         elif "done" in action_str:
             return Actions.done    
+        elif "drop" in action_str:
+            return Actions.drop
     
     raise ValueError(F"Action string {action_str} not supported")
 
@@ -74,7 +89,11 @@ def parse_arguments(argparse):
                                 "MiniGrid-LavaSlipperyS12-v1",
                                 "MiniGrid-LavaSlipperyS12-v2",
                                 "MiniGrid-LavaSlipperyS12-v3",
-                                # "MiniGrid-DoorKey-8x8-v0", 
+                                "MiniGrid-DoorKey-8x8-v0",
+                                "MiniGrid-DoubleDoor-16x16-v0",
+                                "MiniGrid-DoubleDoor-12x12-v0",
+                                "MiniGrid-DoubleDoor-10x8-v0",
+                                "MiniGrid-SingleDoor-7x6-v0",
                                 # "MiniGrid-LockedRoom-v0",
                                 # "MiniGrid-FourRooms-v0", 
                                 # "MiniGrid-LavaGapS7-v0",
@@ -95,6 +114,7 @@ def parse_arguments(argparse):
     parser.add_argument("--shielding", type=ShieldingConfig, choices=list(ShieldingConfig), default=ShieldingConfig.Full)
     parser.add_argument("--steps", default=20_000, type=int)
     parser.add_argument("--expname", default="exp")
+    parser.add_argument("--shield_creation_at_reset", action=argparse.BooleanOptionalAction)
     args = parser.parse_args()
     
     return args