diff --git a/data-final-fixes.lua b/data-final-fixes.lua
index cb06bc8..bfffb7f 100644
--- a/data-final-fixes.lua
+++ b/data-final-fixes.lua
@@ -1,5 +1,4 @@
--- require("tin-recipe-final-stacking")
--- require("tin-recipe-modules")
+require("modules")
 -- -- require("tin-recipe-final-5d")
 -- require("tin-recipe-final-rrr")
 
diff --git a/stacking.lua b/stacking.lua
new file mode 100644
index 0000000..e68a273
--- /dev/null
+++ b/stacking.lua
@@ -0,0 +1,23 @@
+-- Deadlock stacking recipes
+
+local util = require("data-util");
+
+if deadlock then
+  deadlock.add_stack("salt", nil, "deadlock-stacking-2", 64)
+  deadlock.add_stack("pcb-substrate", nil, "deadlock-stacking-2", 128)
+  deadlock.add_stack("pcb", nil, "deadlock-stacking-2", 128)
+  if data.raw.item["ferric-chloride"] then
+    deadlock.add_stack("ferric-chloride", nil, "deadlock-stacking-2", 128)
+  end
+end
+
+-- Deadlock crating recipes
+if deadlock_crating then
+  deadlock_crating.add_crate("salt", "deadlock-crating-2")
+  deadlock_crating.add_crate("pcb-substrate", "deadlock-crating-2")
+  deadlock_crating.add_crate("pcb", "deadlock-crating-2")
+  if data.raw.item["ferric-chloride"] then
+    deadlock_crating.add_crate("ferric-chloride", "deadlock-crating-2")
+  end
+end
+