diff --git a/rainbowadn/collection/trees/binary/core/protocolizedbinarysplit.py b/rainbowadn/collection/trees/binary/core/protocolizedbinarysplit.py
index 3c7e174..864c088 100644
--- a/rainbowadn/collection/trees/binary/core/protocolizedbinarysplit.py
+++ b/rainbowadn/collection/trees/binary/core/protocolizedbinarysplit.py
@@ -26,14 +26,17 @@ class ProtocolizedBinarySplit(
         self.split = split
         self.tree = tree
 
+    def protocolize(self, tree: TreeType) -> BinaryProtocolized[ActiveKeyType, MetaDataType, TreeType]:
+        return BinaryProtocolized(self.protocol, tree)
+
     def protocolized(self) -> BinaryProtocolized[ActiveKeyType, MetaDataType, TreeType]:
-        return BinaryProtocolized(self.protocol, self.tree)
+        return self.protocolize(self.tree)
 
     def protocolizedl(self) -> BinaryProtocolized[ActiveKeyType, MetaDataType, TreeType]:
-        return BinaryProtocolized(self.protocol, self.split.treel)
+        return self.protocolize(self.split.treel)
 
     def protocolizedr(self) -> BinaryProtocolized[ActiveKeyType, MetaDataType, TreeType]:
-        return BinaryProtocolized(self.protocol, self.split.treer)
+        return self.protocolize(self.split.treer)
 
     @classmethod
     async def split_of(