diff --git a/src/main/java/noppes/npcs/scripted/ScriptContainer.java b/src/main/java/noppes/npcs/scripted/ScriptContainer.java
index 34c733a87..4e81ce886 100644
--- a/src/main/java/noppes/npcs/scripted/ScriptContainer.java
+++ b/src/main/java/noppes/npcs/scripted/ScriptContainer.java
@@ -10,6 +10,7 @@ import net.minecraft.inventory.Container;
 import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemStack;
 import noppes.npcs.NoppesUtilPlayer;
+import noppes.npcs.containers.ContainerCustomGui;
 import noppes.npcs.scripted.interfaces.IContainer;
 import noppes.npcs.scripted.interfaces.IItemStack;
 
@@ -82,4 +83,8 @@ public class ScriptContainer implements IContainer {
 
         return items;
     }
+
+    public boolean isCustomGUI() {
+        return this.container instanceof ContainerCustomGui;
+    }
 }
diff --git a/src/main/java/noppes/npcs/scripted/ScriptItemStack.java b/src/main/java/noppes/npcs/scripted/ScriptItemStack.java
index 396c5512a..23764c5c1 100644
--- a/src/main/java/noppes/npcs/scripted/ScriptItemStack.java
+++ b/src/main/java/noppes/npcs/scripted/ScriptItemStack.java
@@ -134,6 +134,12 @@ public class ScriptItemStack implements IItemStack {
 			return ((NBTTagString)tag).func_150285_a_();
 		return tag;
 	}
+
+	public INbt removeTags() {
+		ScriptNbt nbt = (ScriptNbt)NpcAPI.Instance().getINbt(item.stackTagCompound);
+		item.stackTagCompound = null;
+		return nbt;
+	}
 	
 	public boolean isEnchanted(){
 		return item.isItemEnchanted();
diff --git a/src/main/java/noppes/npcs/scripted/interfaces/IContainer.java b/src/main/java/noppes/npcs/scripted/interfaces/IContainer.java
index 915980288..6f0b338a6 100644
--- a/src/main/java/noppes/npcs/scripted/interfaces/IContainer.java
+++ b/src/main/java/noppes/npcs/scripted/interfaces/IContainer.java
@@ -22,4 +22,6 @@ public interface IContainer {
     int count(IItemStack var1, boolean var2, boolean var3);
 
     IItemStack[] getItems();
+
+    boolean isCustomGUI();
 }
diff --git a/src/main/java/noppes/npcs/scripted/interfaces/IItemStack.java b/src/main/java/noppes/npcs/scripted/interfaces/IItemStack.java
index afd04e263..d1b92b6a2 100644
--- a/src/main/java/noppes/npcs/scripted/interfaces/IItemStack.java
+++ b/src/main/java/noppes/npcs/scripted/interfaces/IItemStack.java
@@ -63,6 +63,8 @@ public interface IItemStack {
      */
     public Object getTag(String key);
 
+    public INbt removeTags();
+
     public boolean isEnchanted();
 
     /**