diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/MainConfigGui.java b/src/main/java/xyz/alexcrea/cuanvil/gui/MainConfigGui.java
index 3e17b56..1b8cc54 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/gui/MainConfigGui.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/MainConfigGui.java
@@ -8,9 +8,9 @@ import io.delilaheve.CustomAnvil;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
-import xyz.alexcrea.cuanvil.gui.config.BasicConfigGui;
-import xyz.alexcrea.cuanvil.gui.config.EnchantCostConfigGui;
-import xyz.alexcrea.cuanvil.gui.config.EnchantLimitConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.openable.BasicConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.openable.EnchantCostConfigGui;
+import xyz.alexcrea.cuanvil.gui.config.openable.EnchantLimitConfigGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalActions;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectEnchantmentContainer.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectEnchantmentContainer.java
new file mode 100644
index 0000000..9a468de
--- /dev/null
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectEnchantmentContainer.java
@@ -0,0 +1,16 @@
+package xyz.alexcrea.cuanvil.gui.config;
+
+import org.bukkit.enchantments.Enchantment;
+import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+
+import java.util.List;
+import java.util.Set;
+
+public interface SelectEnchantmentContainer {
+
+    List<Enchantment> getSelectedEnchantments();
+    void setSelectedEnchantments(List<Enchantment> enchantments);
+
+    Set<Enchantment> illegalEnchantments();
+
+}
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectGroupContainer.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectGroupContainer.java
new file mode 100644
index 0000000..7574f85
--- /dev/null
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectGroupContainer.java
@@ -0,0 +1,15 @@
+package xyz.alexcrea.cuanvil.gui.config;
+
+import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+
+import java.util.List;
+import java.util.Set;
+
+public interface SelectGroupContainer {
+
+    List<AbstractMaterialGroup> getSelectedGroups();
+    void setSelectedGroups(List<AbstractMaterialGroup> groups);
+
+    Set<AbstractMaterialGroup> illegalGroups();
+
+}
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectMaterialContainer.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectMaterialContainer.java
new file mode 100644
index 0000000..a510371
--- /dev/null
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/SelectMaterialContainer.java
@@ -0,0 +1,16 @@
+package xyz.alexcrea.cuanvil.gui.config;
+
+import javafx.scene.paint.Material;
+import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
+
+import java.util.List;
+import java.util.Set;
+
+public interface SelectMaterialContainer {
+
+    List<Material> getSelectedMaterials();
+    void setSelectedMaterials(List<Material> materials);
+
+    Set<Material> illegalMaterials();
+
+}
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/BasicConfigGui.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/BasicConfigGui.java
similarity index 99%
rename from src/main/java/xyz/alexcrea/cuanvil/gui/config/BasicConfigGui.java
rename to src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/BasicConfigGui.java
index 7b39d8f..3e86948 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/gui/config/BasicConfigGui.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/BasicConfigGui.java
@@ -1,4 +1,4 @@
-package xyz.alexcrea.cuanvil.gui.config;
+package xyz.alexcrea.cuanvil.gui.config.openable;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import com.github.stefvanschie.inventoryframework.pane.PatternPane;
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantCostConfigGui.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantCostConfigGui.java
similarity index 96%
rename from src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantCostConfigGui.java
rename to src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantCostConfigGui.java
index b5a2a50..7ecd771 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantCostConfigGui.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantCostConfigGui.java
@@ -1,4 +1,4 @@
-package xyz.alexcrea.cuanvil.gui.config;
+package xyz.alexcrea.cuanvil.gui.config.openable;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import org.bukkit.Material;
@@ -8,6 +8,7 @@ import org.bukkit.inventory.meta.ItemMeta;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
 import xyz.alexcrea.cuanvil.enchant.EnchantmentProperties;
 import xyz.alexcrea.cuanvil.enchant.EnchantmentRarity;
+import xyz.alexcrea.cuanvil.gui.config.AbstractEnchantConfigGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.EnchantCostSettingsGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.util.CasedStringUtil;
diff --git a/src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantLimitConfigGui.java b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantLimitConfigGui.java
similarity index 93%
rename from src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantLimitConfigGui.java
rename to src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantLimitConfigGui.java
index fa63937..92b7833 100644
--- a/src/main/java/xyz/alexcrea/cuanvil/gui/config/EnchantLimitConfigGui.java
+++ b/src/main/java/xyz/alexcrea/cuanvil/gui/config/openable/EnchantLimitConfigGui.java
@@ -1,9 +1,10 @@
-package xyz.alexcrea.cuanvil.gui.config;
+package xyz.alexcrea.cuanvil.gui.config.openable;
 
 import com.github.stefvanschie.inventoryframework.gui.GuiItem;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.gui.config.AbstractEnchantConfigGui;
 import xyz.alexcrea.cuanvil.gui.config.settings.IntSettingsGui;
 import xyz.alexcrea.cuanvil.gui.util.GuiGlobalItems;
 import xyz.alexcrea.cuanvil.util.CasedStringUtil;
diff --git a/src/main/kotlin/xyz/alexcrea/cuanvil/command/ReloadExecutor.kt b/src/main/kotlin/xyz/alexcrea/cuanvil/command/ReloadExecutor.kt
index fdcae7d..e8d201d 100644
--- a/src/main/kotlin/xyz/alexcrea/cuanvil/command/ReloadExecutor.kt
+++ b/src/main/kotlin/xyz/alexcrea/cuanvil/command/ReloadExecutor.kt
@@ -5,9 +5,9 @@ import org.bukkit.command.Command
 import org.bukkit.command.CommandExecutor
 import org.bukkit.command.CommandSender
 import xyz.alexcrea.cuanvil.config.ConfigHolder
-import xyz.alexcrea.cuanvil.gui.config.BasicConfigGui
-import xyz.alexcrea.cuanvil.gui.config.EnchantCostConfigGui
-import xyz.alexcrea.cuanvil.gui.config.EnchantLimitConfigGui
+import xyz.alexcrea.cuanvil.gui.config.openable.BasicConfigGui
+import xyz.alexcrea.cuanvil.gui.config.openable.EnchantCostConfigGui
+import xyz.alexcrea.cuanvil.gui.config.openable.EnchantLimitConfigGui
 import xyz.alexcrea.cuanvil.util.MetricsUtil
 
 class ReloadExecutor : CommandExecutor {