diff --git a/squirrelbattle/entities/items.py b/squirrelbattle/entities/items.py
index 8b99a8d..05654e9 100644
--- a/squirrelbattle/entities/items.py
+++ b/squirrelbattle/entities/items.py
@@ -276,7 +276,6 @@ class Sword(Weapon):
     def __init__(self, name: str = "sword", price: int = 20,
                  *args, **kwargs):
         super().__init__(name=name, price=price, *args, **kwargs)
-        self.name = name
 
 
 class Armor(Item):
@@ -307,24 +306,27 @@ class Shield(Armor):
     Class of shield items, they can be equipped in the other hand.
     """
 
-    def __init__(self, constitution: int = 2, *args, **kwargs):
-        super().__init__(name="shield", constitution=constitution, *args, **kwargs)
+    def __init__(self, name: str = "shield", constitution: int = 2,\
+                 price: int = 6, *args, **kwargs):
+        super().__init__(name=name, constitution=constitution, *args, **kwargs)
 
 class Helmet(Armor):
     """
     Class of helmet items, they can be equipped on the head.
     """
 
-    def __init__(self, constitution: int = 2, *args, **kwargs):
-        super().__init__(name="helmet", constitution=constitution, *args, **kwargs)
+    def __init__(self, name: str = "helmet", constitution: int = 2, \
+                 price: int = 8, *args, **kwargs):
+        super().__init__(name=name, constitution=constitution, *args, **kwargs)
 
 class Chestplate(Armor):
     """
     Class of chestplate items, they can be equipped on the body.
     """
 
-    def __init__(self, constitution: int = 4, *args, **kwargs):
-        super().__init__(name="chestplate", constitution=constitution, *args, **kwargs)
+    def __init__(self, name: str = "chestplate", constitution: int = 4,\
+                 price: int = 15, *args, **kwargs):
+        super().__init__(name=name, constitution=constitution, *args, **kwargs)
 
 
 class BodySnatchPotion(Item):
diff --git a/squirrelbattle/game.py b/squirrelbattle/game.py
index d0aaf84..939325c 100644
--- a/squirrelbattle/game.py
+++ b/squirrelbattle/game.py
@@ -127,8 +127,8 @@ class Game:
         elif key == KeyValues.INVENTORY:
             self.state = GameMode.INVENTORY
             self.display_actions(DisplayActions.UPDATE)
-        elif key == KeyValues.USE and self.player.equipped_item:
-            self.player.equipped_item.use()
+        elif key == KeyValues.USE and self.player.equipped_main:
+            self.player.equipped_main.use()
         elif key == KeyValues.SPACE:
             self.state = GameMode.MAINMENU
         elif key == KeyValues.CHAT:
diff --git a/squirrelbattle/interfaces.py b/squirrelbattle/interfaces.py
index 25a8baa..cc5b36e 100644
--- a/squirrelbattle/interfaces.py
+++ b/squirrelbattle/interfaces.py
@@ -374,7 +374,7 @@ class Entity:
             TeddyBear, GiantSeaEagle
         from squirrelbattle.entities.friendly import Merchant, Sunflower
         from squirrelbattle.entities.items import BodySnatchPotion, Bomb, \
-            Heart, Sword
+            Heart, Sword, Shield, Chestplate, Helmet
         return {
             "Tiger": Tiger,
             "Bomb": Bomb,
@@ -388,6 +388,9 @@ class Entity:
             "Sunflower": Sunflower,
             "Sword": Sword,
             "Eagle": GiantSeaEagle,
+            "Shield": Shield,
+            "Chestplate": Chestplate,
+            "Helmet": Helmet,
         }
 
     def save_state(self) -> dict: