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How can I set unusable inventory slots? Just like this screenshot from the server Wasted by ShotBow I also want to change the name of theminecraft inventory slot,Tested Minecraft Versions: Every player gets 10 inventory slots at the beginning and gains 1 inventory slot for every kill, losing 1 inventory

Its really easy to do, you just make sure there is somewhere to keep it in the Player Inventory (AKA make sure the itemstack array is the right minecraft inventory slot,You can use the clearfixedinv command to remove all fixed inventory slots

minecraft inventory slot,I Need Help with Getting the items to show in the Slots, For an Example If I Cut down a Tree a Wood would show in my Inventory and If I Mine a