diff --git a/.luacheckrc b/.luacheckrc
index a31b01a..0c6c352 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -1,2 +1,2 @@
-read_globals = {"minetest", "table", "default", "pipeworks"}
+read_globals = {"minetest", "table", "vector", "default", "hopper", "pipeworks"}
 globals = {"connected_chests"}
diff --git a/init.lua b/init.lua
index 6aa60d6..98490b9 100644
--- a/init.lua
+++ b/init.lua
@@ -1,3 +1,6 @@
+-- for translation
+local S = minetest.get_translator("connected_chests")
+
 -- param_tab maps the x and z offset to a param2 value
 local param_tab = {
 	["-1 0"] = 0,
@@ -136,6 +139,8 @@ end
 connected_chests = {chestdata = chestdata}
 --[[
 connected_chests.register_chest(<original_node>, {
+	description = <string>, -- The name of the connected chest as shown to the
+		-- player, i.e. the node metadata infotext
 	get_formspec = function(metatable, pos)
 		return <formspec_of_big>
 	end,
@@ -156,6 +161,13 @@ function connected_chests.register_chest(fromname, data)
 	data.left = name_left
 	data.right = name_right
 
+	local description = data.description
+	if not description then
+		minetest.log("deprecated",
+			"Missing connected chest description for " .. fromname)
+		description = "Big " .. minetest.registered_nodes[fromname].description
+	end
+
 	-- executed when connecting the chest
 	data.on_connect = function(pu, pa, par, metatable)
 		minetest.add_node(pu, {name=name_left, param2=par})
@@ -164,7 +176,7 @@ function connected_chests.register_chest(fromname, data)
 		if not data.add_open_chest then
 			metatable.fields.formspec = data.get_formspec(metatable, pu)
 		end
-		metatable.fields.infotext = "Big " .. metatable.fields.infotext
+		metatable.fields.infotext = description
 		local meta = minetest.get_meta(pu)
 		meta:from_table(metatable)
 		local inv = meta:get_inventory()
@@ -215,7 +227,7 @@ function connected_chests.register_chest(fromname, data)
 	local inside_texture
 
 
-	chest.description = "Big " .. chest.description
+	chest.description = description
 	chest.groups = table.copy(chest.groups)
 	chest.groups.not_in_creative_inventory = 1
 	chest.legacy_facedir_simple = nil
@@ -365,14 +377,6 @@ function connected_chests.register_chest(fromname, data)
 			end
 		end
 
-		--~ def_opened.tiles[1] = "default_mese.png" -- top, passt
-		--~ def_opened.tiles[2] = "default_wood.png" -- bottom
-		--~ def_opened.tiles[3] = "default_stone.png" -- right and left side or so
-		--~ def_opened.tiles[4] = "default_obsidian.png" -- back side
-
-		--~ def_opened.tiles[5] = "default_cobble.png" -- front side
-		--~ def_opened.tiles[6] = "default_leaves.png" -- inside
-
 		-- fix right side, somehow
 		def_opened.tiles[4] = def_opened.tiles[3]
 		def_opened.tiles[4].name = def_opened.tiles[4].name .. "^[transformFX"
@@ -515,6 +519,7 @@ end)
 local chest_lid_obstructed = default.chest
 	and default.chest.chest_lid_obstructed
 connected_chests.register_chest("default:chest", {
+	description = S("Big Chest"),
 	add_open_chest = true,
 	on_rightclick = function(pos, _, player)
 		minetest.sound_play("default_chest_open",
@@ -556,6 +561,7 @@ connected_chests.register_chest("default:chest", {
 })
 
 connected_chests.register_chest("default:chest_locked", {
+	description = S("Big Locked Chest"),
 	lock = true,
 	add_open_chest = true,
 	on_rightclick = function(pos, _, player)
@@ -618,7 +624,8 @@ if not chest_lid_obstructed then
 				(def.drawtype == "airlike" or
 				def.drawtype == "signlike" or
 				def.drawtype == "torchlike" or
-				(def.drawtype == "nodebox" and def.paramtype2 == "wallmounted")) then
+				(def.drawtype == "nodebox"
+					and def.paramtype2 == "wallmounted")) then
 			return false
 		end
 		return true
@@ -631,7 +638,80 @@ minetest.register_alias("connected_chests:chest_left",
 	"default:chest_connected_left")
 minetest.register_alias("connected_chests:chest_right",
 	"default:chest_connected_right")
-minetest.register_alias("connected_chests:chest_left_locked", "default:chest_locked_connected_left")
-minetest.register_alias("connected_chests:chest_right_locked", "default:chest_locked_connected_right")
-minetest.register_alias("connected_chests:chest_locked_left", "default:chest_locked_connected_left")
-minetest.register_alias("connected_chests:chest_locked_right", "default:chest_locked_connected_right")
+minetest.register_alias("connected_chests:chest_left_locked",
+	"default:chest_locked_connected_left")
+minetest.register_alias("connected_chests:chest_right_locked",
+	"default:chest_locked_connected_right")
+minetest.register_alias("connected_chests:chest_locked_left",
+	"default:chest_locked_connected_left")
+minetest.register_alias("connected_chests:chest_locked_right",
+	"default:chest_locked_connected_right")
+
+if minetest.global_exists("hopper") and hopper.set_extra_container_info then
+	local function get_inventory(chest_right_pos)
+		local node_right = minetest.get_node(chest_right_pos)
+		if node_right.param2 > 3 then
+			-- The right connected chest node has an invalid param2 value
+			-- Cannot determine the inventory
+			return
+		end
+		local x, z = unpack(param_tab2[node_right.param2])
+		local chest_left_pos = {x=chest_right_pos.x+x, y=chest_right_pos.y,
+			z=chest_right_pos.z+z}
+		local node_left = minetest.get_node(chest_left_pos)
+		if node_left.name ~= "default:chest_connected_left"
+		and node_left.name ~= "default:chest_connected_left_open" then
+			minetest.log("error","The left chest is not a chest: " ..
+				node_left.name .. " at " .. vector.to_string(chest_left_pos))
+			return
+		end
+		if node_left.param2 ~= node_right.param2 then
+			minetest.log("error", "The chests are pointing in different " ..
+				"directions: node_left.param2:" .. node_left.param2 ..
+				", node_right.param2:" .. node_right.param2)
+			return
+		end
+		return minetest.get_meta(chest_left_pos):get_inventory()
+	end
+	hopper:add_container({
+		{"top", "default:chest_connected_left", "main"},
+		{"bottom", "default:chest_connected_left", "main"},
+		{"side", "default:chest_connected_left", "main"},
+		{"top", "default:chest_connected_right", "main",
+			get_inventory = get_inventory},
+		{"bottom", "default:chest_connected_right", "main",
+			get_inventory = get_inventory},
+		{"side", "default:chest_connected_right", "main",
+			get_inventory = get_inventory},
+		{"top", "default:chest_connected_left_open", "main"},
+		{"bottom", "default:chest_connected_left_open", "main"},
+		{"side", "default:chest_connected_left_open", "main"},
+		{"top", "default:chest_connected_right_open", "main",
+			get_inventory = get_inventory},
+		{"bottom", "default:chest_connected_right_open", "main",
+			get_inventory = get_inventory},
+		{"side", "default:chest_connected_right_open", "main",
+			get_inventory = get_inventory},
+	})
+	local function set_hopper_param2(hopper_pos, chest_left_pos)
+		local param2_by_offset = {
+			[vector.new(-1, 0, 0):to_string()] = 0,
+			[vector.new( 0, 0, 1):to_string()] = 1,
+			[vector.new( 1, 0, 0):to_string()] = 2,
+			[vector.new( 0, 0,-1):to_string()] = 3,
+		}
+		local hopper_param2 = param2_by_offset[
+			(chest_left_pos - hopper_pos):to_string()]
+		if hopper_param2 then
+			return hopper_param2
+		end
+		local x, z = unpack(
+			param_tab2[minetest.get_node(chest_left_pos).param2])
+		local chest_right_pos = {x=chest_left_pos.x-x, y=chest_left_pos.y,
+			z=chest_left_pos.z-z}
+		return param2_by_offset[(chest_right_pos - hopper_pos):to_string()]
+	end
+	hopper:set_extra_container_info({
+		{"default:chest_connected_left", set_hopper_param2 = set_hopper_param2},
+	})
+end
diff --git a/locale/connected_chests.eo.tr b/locale/connected_chests.eo.tr
new file mode 100644
index 0000000..9dab6a0
--- /dev/null
+++ b/locale/connected_chests.eo.tr
@@ -0,0 +1,3 @@
+# textdomain: connected_chests
+Big Chest=Kestego
+Big Locked Chest=Ŝlosita kestego
diff --git a/locale/connected_chests.ru.tr b/locale/connected_chests.ru.tr
new file mode 100644
index 0000000..5eb3b98
--- /dev/null
+++ b/locale/connected_chests.ru.tr
@@ -0,0 +1,3 @@
+# textdomain: connected_chests
+Big Chest=Большой сундук
+Big Locked Chest=Большой запертый сундук
diff --git a/locale/template.txt b/locale/template.txt
new file mode 100644
index 0000000..2f94e47
--- /dev/null
+++ b/locale/template.txt
@@ -0,0 +1,3 @@
+# textdomain: connected_chests
+Big Chest=
+Big Locked Chest=
diff --git a/mod.conf b/mod.conf
index a874c1a..bad5138 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,3 +1,3 @@
 name = connected_chests
 depends = default
-optional_depends = pipeworks,technic
+optional_depends = pipeworks,technic,hopper