diff --git a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/BlockEntityCoordinator.java b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/BlockEntityCoordinator.java
deleted file mode 100644
index 6916a789..00000000
--- a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/BlockEntityCoordinator.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package band.kessoku.lib.api.blockentity;
-
-import band.kessoku.lib.api.data.DataStructure;
-import net.minecraft.block.entity.BlockEntity;
-import net.minecraft.block.entity.BlockEntityType;
-
-public class BlockEntityCoordinator {
-    public static <T extends BlockEntity, S extends DataStructure> void add(BlockEntityType<T> type, BlockEntityAccess<T, S> access) {
-
-    }
-}
diff --git a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinator.java b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinator.java
new file mode 100644
index 00000000..b01a02e5
--- /dev/null
+++ b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinator.java
@@ -0,0 +1,28 @@
+package band.kessoku.lib.api.blockentity;
+
+import band.kessoku.lib.api.data.DataStructure;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.block.entity.BlockEntityType;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import org.apache.commons.lang3.function.TriFunction;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Coordinator<S extends DataStructure> {
+    private final Map<BlockEntityType<?>, TriFunction<BlockEntityType<?>, World, BlockPos, S>> map = new HashMap<>();
+
+    public <T extends BlockEntity> void add(BlockEntityType<T> type, BlockEntityAccess<T, S> access) {
+        map.put(type, ((t, world, blockPos) -> {
+            if (t == type) {
+                return access.to(type.get(world, blockPos));
+            }
+            return null;
+        }));
+    }
+
+    public <T extends BlockEntity> S get(BlockEntityType<T> type, World world, BlockPos pos) {
+        return map.get(type).apply(type, world, pos);
+    }
+}
diff --git a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinators.java b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinators.java
new file mode 100644
index 00000000..24dadd73
--- /dev/null
+++ b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/Coordinators.java
@@ -0,0 +1,10 @@
+package band.kessoku.lib.api.blockentity;
+
+import band.kessoku.lib.api.data.Storage;
+import band.kessoku.lib.impl.ItemSidinator;
+import net.minecraft.item.ItemStack;
+
+public class Coordinators {
+    public static final Coordinator<Storage<ItemStack>> ITEM = new Coordinator<>();
+    public static final Coordinator<ItemSidinator> ITEM_SIDE = new Coordinator<>();
+}
diff --git a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/KessokuBlockEntity.java b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/KessokuBlockEntity.java
index e27dcd38..3c040549 100644
--- a/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/KessokuBlockEntity.java
+++ b/blockentity/common/src/main/java/band/kessoku/lib/api/blockentity/KessokuBlockEntity.java
@@ -27,9 +27,9 @@ public class KessokuBlockEntity {
     public static final Marker MARKER = MarkerFactory.getMarker("[" + NAME +"]");
 
     public void init() {
-        BlockEntityCoordinator.add(BlockEntityType.FURNACE, Storage::inventory);
-        BlockEntityCoordinator.add(BlockEntityType.CHEST, Storage::inventory);
-        BlockEntityCoordinator.add(
+        Coordinators.ITEM.add(BlockEntityType.FURNACE, Storage::inventory);
+        Coordinators.ITEM.add(BlockEntityType.CHEST, Storage::inventory);
+        Coordinators.ITEM_SIDE.add(
                 BlockEntityType.FURNACE,
                 (blockentity) -> ItemSidinator.builder().side(1).bottom(2, 1).top(0).build()
         );
diff --git a/data/common/src/main/java/band/kessoku/lib/api/data/DataAccess.java b/data/common/src/main/java/band/kessoku/lib/api/data/DataAccess.java
index 602f4685..66b0a2aa 100644
--- a/data/common/src/main/java/band/kessoku/lib/api/data/DataAccess.java
+++ b/data/common/src/main/java/band/kessoku/lib/api/data/DataAccess.java
@@ -17,5 +17,5 @@
 
 @FunctionalInterface
 public interface DataAccess<T, S extends DataStructure> {
-    S get(T target);
+    S to(T target);
 }