diff --git a/src/main/java/li/cil/oc2/common/container/AbstractContainer.java b/src/main/java/li/cil/oc2/common/container/AbstractContainer.java
index e8a71431..d81bc55d 100644
--- a/src/main/java/li/cil/oc2/common/container/AbstractContainer.java
+++ b/src/main/java/li/cil/oc2/common/container/AbstractContainer.java
@@ -121,7 +121,15 @@ public abstract class AbstractContainer extends AbstractContainerMenu {
                 final int index = startIndex + row * PLAYER_INVENTORY_COLUMNS + column;
                 final int x = startX + column * SLOT_SIZE;
                 final int y = startY + row * SLOT_SIZE;
-                this.addSlot(new Slot(inventory, index, x, y));
+
+                final Slot slot;
+                if (isSlotLocked(inventory, index)) {
+                    slot = new LockedSlot(inventory, index, x, y);
+                } else {
+                    slot = new Slot(inventory, index, x, y);
+                }
+
+                this.addSlot(slot);
             }
         }
 
@@ -130,8 +138,23 @@ public abstract class AbstractContainer extends AbstractContainerMenu {
 
     protected int createHotbarSlots(final Inventory inventory, final int startIndex, final int startX, final int startY) {
         for (int i = 0; i < HOTBAR_SIZE; ++i) {
-            this.addSlot(new Slot(inventory, startIndex + i, startX + i * SLOT_SIZE, startY));
+            final int index = startIndex + i;
+            final int x = startX + i * SLOT_SIZE;
+
+            final Slot slot;
+            if (isSlotLocked(inventory, index)) {
+                slot = new LockedSlot(inventory, index, x, startY);
+            } else {
+                slot = new Slot(inventory, index, x, startY);
+            }
+
+            this.addSlot(slot);
         }
+
         return startIndex + HOTBAR_SIZE;
     }
+
+    protected boolean isSlotLocked(final Inventory inventory, final int slot) {
+        return false;
+    }
 }
diff --git a/src/main/java/li/cil/oc2/common/container/LockedSlot.java b/src/main/java/li/cil/oc2/common/container/LockedSlot.java
new file mode 100644
index 00000000..5cc78715
--- /dev/null
+++ b/src/main/java/li/cil/oc2/common/container/LockedSlot.java
@@ -0,0 +1,24 @@
+package li.cil.oc2.common.container;
+
+import net.minecraft.world.Container;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.inventory.Slot;
+import net.minecraft.world.item.ItemStack;
+
+public final class LockedSlot extends Slot {
+    public LockedSlot(final Container container, final int slot, final int x, final int y) {
+        super(container, slot, x, y);
+    }
+
+    ///////////////////////////////////////////////////////////////////
+
+    @Override
+    public boolean mayPlace(final ItemStack p_40231_) {
+        return false;
+    }
+
+    @Override
+    public boolean mayPickup(final Player p_40228_) {
+        return false;
+    }
+}