diff --git a/Configs/GUIs/activation.yml b/Configs/GUIs/activation.yml
index f86756e..40d3685 100644
--- a/Configs/GUIs/activation.yml
+++ b/Configs/GUIs/activation.yml
@@ -10,6 +10,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: activate, activate_step1, activate_step2,activate_step3,
     Action: activate
+    # Sound on click
+    Sound: 'placeholder'
   14:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Skull
@@ -35,6 +37,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: activate, activate_step1, activate_step2,activate_step3,
     Action: activate_step1
+    # Sound on click
+    Sound: 'placeholder'
   15:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Skull
@@ -60,6 +64,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: activate, activate_step1, activate_step2,activate_step3,
     Action: activate_step2
+    # Sound on click
+    Sound: 'placeholder'
   16:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Skull
@@ -85,6 +91,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: activate, activate_step1, activate_step2,activate_step3,
     Action: activate_step3
+    # Sound on click
+    Sound: 'placeholder'
   27:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Skull
@@ -106,6 +114,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible Actions: shop (Requires Count, Booster[XP, Break, Drop, Mob, Fly] and Price), back
     Action: back
+    # Sound on click
+    Sound: 'placeholder'
 # This item is set in all places where no item is stored.
 Background:
   Enabled: true
diff --git a/Configs/GUIs/confirmation.yml b/Configs/GUIs/confirmation.yml
index e8db3bd..d8825dc 100644
--- a/Configs/GUIs/confirmation.yml
+++ b/Configs/GUIs/confirmation.yml
@@ -30,6 +30,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: accept, deny, close
     Action: accept
+    # Sound on click
+    Sound: 'placeholder'
   25:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Material
@@ -42,6 +44,8 @@ Slots:
     # Action to be performed when the item is clicked.
     # Possible actions: accept, deny, close
     Action: deny
+    # Sound on click
+    Sound: 'placeholder'
 # This item is set in all places where no item is stored.
 Background:
   Enabled: true
diff --git a/Configs/GUIs/overview.yml b/Configs/GUIs/overview.yml
index ef29b0b..a6a9232 100644
--- a/Configs/GUIs/overview.yml
+++ b/Configs/GUIs/overview.yml
@@ -59,6 +59,8 @@ Slots:
     Action: activate_break
     # Permission to display the item
     Permission: 'booster.break'
+    # Sound on click
+    Sound: 'placeholder'
   31:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Material
@@ -75,6 +77,8 @@ Slots:
     Action: activate_drop
     # Permission to display the item
     Permission: 'booster.drop'
+    # Sound on click
+    Sound: 'placeholder'
   32:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Material
@@ -91,6 +95,8 @@ Slots:
     Action: activate_fly
     # Permission to display the item
     Permission: 'booster.fly'
+    # Sound on click
+    Sound: 'placeholder'
   33:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Material
@@ -107,6 +113,8 @@ Slots:
     Action: activate_mob
     # Permission to display the item
     Permission: 'booster.mob'
+    # Sound on click
+    Sound: 'placeholder'
   34:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Material
@@ -123,6 +131,8 @@ Slots:
     Action: activate_xp
     # Permission to display the item
     Permission: 'booster.xp'
+    # Sound on click
+    Sound: 'placeholder'
   39:
     # The type defines what properties the slot has. Types: Material or Skull
     Type: Skull
diff --git a/Configs/GUIs/selection.yml b/Configs/GUIs/selection.yml
new file mode 100644
index 0000000..6757e10
--- /dev/null
+++ b/Configs/GUIs/selection.yml
@@ -0,0 +1,110 @@
+# GUI title
+Title: '&4Booster'
+# Number of rows in the GUI
+Rows: 3
+# This item is set in all places where no item is stored.
+Background:
+  Enabled: true
+  Material: 'placeholder'
+Slots:
+  # The number represents the slot of the item
+  12:
+    # The type defines what properties the slot has. Types: Material or Skull
+    Type: Material
+    # The material of the item. (Can be made visible in the client with F3 + H).
+    Material: iron_pickaxe
+    # The name of the item
+    Title: '&6Break-Booster'
+    # Lore of the item.
+    Lore:
+      - '&8--------------------'
+      - '&aKlicke, um einen &6Break-Booster &2zu bekommen'
+    # Action to be performed when the item is clicked.
+    # Possible Actions: get (Requires Booster[XP, Break, Drop, Mob, Fly])
+    Action: get
+    # Possible Types: XP, Break, Drop, Mob, Fly
+    Booster: Break
+    # Permission to display the item
+    Permission: 'booster.break'
+    # Sound on click
+    Sound: 'placeholder'
+  13:
+    # The type defines what properties the slot has. Types: Material or Skull
+    Type: Material
+    # The material of the item. (Can be made visible in the client with F3 + H).
+    Material: iron_ingot
+    # The name of the item
+    Title: '&6Drop-Booster'
+    # Lore of the item.
+    Lore:
+      - '&8--------------------'
+      - '&aKlicke, um einen &6Drop-Booster &2zu bekommen'
+    # Action to be performed when the item is clicked.
+    # Possible Actions: get (Requires Booster[XP, Break, Drop, Mob, Fly])
+    Action: get
+    # Possible Types: XP, Break, Drop, Mob, Fly
+    Booster: Drop
+    # Permission to display the item
+    Permission: 'booster.drop'
+    # Sound on click
+    Sound: 'placeholder'
+  14:
+    # The type defines what properties the slot has. Types: Material or Skull
+    Type: Material
+    # The material of the item. (Can be made visible in the client with F3 + H).
+    Material: feather
+    # The name of the item
+    Title: '&6Fly-Booster'
+    # Lore of the item.
+    Lore:
+      - '&8--------------------'
+      - '&aKlicke, um einen &6Fly-Booster &2zu bekommen'
+    # Action to be performed when the item is clicked.
+    # Possible Actions: get (Requires Booster[XP, Break, Drop, Mob, Fly])
+    Action: get
+    # Possible Types: XP, Break, Drop, Mob, Fly
+    Booster: Fly
+    # Permission to display the item
+    Permission: 'booster.fly'
+    # Sound on click
+    Sound: 'placeholder'
+  15:
+    # The type defines what properties the slot has. Types: Material or Skull
+    Type: Material
+    # The material of the item. (Can be made visible in the client with F3 + H).
+    Material: bone
+    # The name of the item
+    Title: '&6Mob-Booster'
+    # Lore of the item.
+    Lore:
+      - '&8--------------------'
+      - '&aKlicke, um einen &6Mob-Booster &2zu bekommen'
+    # Action to be performed when the item is clicked.
+    # Possible Actions: get (Requires Booster[XP, Break, Drop, Mob, Fly])
+    Action: get
+    # Possible Types: XP, Break, Drop, Mob, Fly
+    Booster: Mob
+    # Permission to display the item
+    Permission: 'booster.mob'
+    # Sound on click
+    Sound: 'placeholder'
+  16:
+    # The type defines what properties the slot has. Types: Material or Skull
+    Type: Material
+    # The material of the item. (Can be made visible in the client with F3 + H).
+    Material: 'placeholder_xp'
+    # The name of the item
+    Title: '&6XP-Booster'
+    # Lore of the item.
+    Lore:
+      - '&8--------------------'
+      - '&aKlicke, um einen &6XP-Booster &2zu bekommen'
+    # Action to be performed when the item is clicked.
+    # Possible Actions: get (Requires Booster[XP, Break, Drop, Mob, Fly])
+    Action: get
+    # Possible Types: XP, Break, Drop, Mob, Fly
+    Booster: XP
+    # Permission to display the item
+    Permission: 'booster.xp'
+    # Sound on click
+    Sound: 'placeholder'
\ No newline at end of file
diff --git a/Configs/GUIs/shop.yml b/Configs/GUIs/shop.yml
index c382910..6a14b20 100644
--- a/Configs/GUIs/shop.yml
+++ b/Configs/GUIs/shop.yml
@@ -25,6 +25,8 @@ Shop:
         Action: shop
         Count: 1
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       14:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Material
@@ -42,6 +44,8 @@ Shop:
         Action: shop
         Count: 5
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       17:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Material
@@ -59,6 +63,8 @@ Shop:
         Action: shop
         Count: 10
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       27:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -80,6 +86,8 @@ Shop:
         # Action to be performed when the item is clicked.
         # Possible Actions: shop (Requires Count and Price), back
         Action: back
+        # Sound on click
+        Sound: 'placeholder'
     # This item is set in all places where no item is stored.
     Background:
       Enabled: true
@@ -159,6 +167,8 @@ Shop:
         Count: 1
         Booster: Break
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       5:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -182,6 +192,8 @@ Shop:
         Count: 5
         Booster: Break
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       7:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -205,6 +217,8 @@ Shop:
         Count: 10
         Booster: Break
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       12:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -228,6 +242,8 @@ Shop:
         Count: 1
         Booster: Drop
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       14:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -251,6 +267,8 @@ Shop:
         Count: 5
         Booster: Drop
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       16:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -274,6 +292,8 @@ Shop:
         Count: 10
         Booster: Drop
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       21:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -297,6 +317,8 @@ Shop:
         Count: 1
         Booster: Fly
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       23:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -320,6 +342,8 @@ Shop:
         Count: 5
         Booster: Fly
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       25:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -343,6 +367,8 @@ Shop:
         Count: 10
         Booster: Fly
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       30:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -366,6 +392,8 @@ Shop:
         Count: 1
         Booster: Mob
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       32:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -389,6 +417,8 @@ Shop:
         Count: 5
         Booster: Mob
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       34:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -412,6 +442,8 @@ Shop:
         Count: 10
         Booster: Mob
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       39:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -435,6 +467,8 @@ Shop:
         Count: 1
         Booster: XP
         Price: 1000
+        # Sound on click
+        Sound: 'placeholder'
       41:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -458,6 +492,8 @@ Shop:
         Count: 5
         Booster: XP
         Price: 4000
+        # Sound on click
+        Sound: 'placeholder'
       43:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -481,6 +517,8 @@ Shop:
         Count: 10
         Booster: XP
         Price: 7000
+        # Sound on click
+        Sound: 'placeholder'
       45:
         # The type defines what properties the slot has. Types: Material or Skull
         Type: Skull
@@ -500,6 +538,8 @@ Shop:
         # Action to be performed when the item is clicked.
         # Possible Actions: shop (Requires Count, Booster[XP, Break, Drop, Mob, Fly] and Price), back
         Action: back
+        # Sound on click
+        Sound: 'placeholder'
     # This item is set in all places where no item is stored.
     Background:
       Enabled: true
diff --git a/Configs/config.yml b/Configs/config.yml
index 2a52580..04d0c73 100644
--- a/Configs/config.yml
+++ b/Configs/config.yml
@@ -22,6 +22,8 @@ Placeholder:
   TwoDigitsM: false
 # What should happen at the '/booster' command. Options: GUI, OVERVIEW
 Maincommand: GUI
+# Disable Booster-Messages on Join
+DisableJoinMessages: false
 Booster:
   XP:
     # Time how long a booster is active in Minutes. Set it to -1 to disable it