Item Locking

In the hotbar section of the inventory interface every occupied slot features a button with a lock icon on it. Enabling the lock makes the item inside always go to that specific slot when picked up and not accept any other items. Disabling the lock unlocks the slot. If you try to place a misfit item to a locked slot, the item will go to the next available slot instead. This is useful when you want to keep your item arrangement tidy.