diff --git a/__init__.py b/__init__.py
index 19a1886..0ece481 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,23 +1,33 @@
-from .nodes.save_string import SaveString
-from .nodes.print_string import PrintString
-from .nodes.replace_string import ReplaceString
+from .nodes.string_save import StringSave
+from .nodes.string_print import StringPrint
+from .nodes.string_replace import StringReplace
+from .nodes.string_node import StringNode
+from .nodes.string_concat import StringConcat
 from .nodes.tokenizer_vocab import TokenizerVocab
-from .nodes.pick_item_json import PickItemJson
+from .nodes.json_pick_item import JsonPickItem
 
 NODE_CLASS_MAPPINGS = {
-    "IW_SaveString": SaveString,
-    "IW_PrintString": PrintString,
-    "IW_ReplaceString": ReplaceString,
+    "IW_StringSave": StringSave,
+    "IW_StringPrint": StringPrint,
+    "IW_StringReplace": StringReplace,
+    "IW_StringNode": StringNode,
+    "IW_StringConcat": StringConcat,
+
     "IW_TokenizerVocab": TokenizerVocab,
-    "IW_PickItemJson": PickItemJson,
+
+    "IW_JsonPickItem": JsonPickItem,
 }
 
 # A dictionary that contains the friendly/humanly readable titles for the nodes
 NODE_DISPLAY_NAME_MAPPINGS = {
-    "IW_SaveString": "IW SaveString",
+    "IW_StringSave": "IW SaveString",
+    "IW_StringPrint": "IW PrintString",
+    "IW_StringReplace": "IW ReplaceString",
+    "IW_StringNode": "IW StringNode",
+    "IW_StringConcat": "IW StringConcat",
+
     "IW_TokenizerVocab": "IW TokenizerVocab",
-    "IW_PickItemJson": "IW PickItemJson",
-    "IW_PrintString": "IW PrintString",
-    "IW_ReplaceString": "IW ReplaceString",
+
+    "IW_JsonPickItem": "IW JsonPickItem",
 }
 
diff --git a/nodes/pick_item_json.py b/nodes/json_pick_item.py
similarity index 79%
rename from nodes/pick_item_json.py
rename to nodes/json_pick_item.py
index e8b0392..e4a739e 100644
--- a/nodes/pick_item_json.py
+++ b/nodes/json_pick_item.py
@@ -1,7 +1,7 @@
 import os
 import json
 
-class PickItemJson:
+class JsonPickItem:
     def __init__(self):
         pass
 
@@ -10,7 +10,7 @@ class PickItemJson:
         return {
             "required": {
                 "pick_value": ("INT",{"defaultInput": True, "default": 0}),
-                "input": ("STRING",{"defaultInput": True, "default": "", "dynamicPrompts": False, "multiline": True}),
+                "input": ("STRING",{"defaultInput": False, "default": "", "dynamicPrompts": False, "multiline": True}),
             },
             "optional": {
             },
diff --git a/nodes/string_concat.py b/nodes/string_concat.py
new file mode 100644
index 0000000..21f7630
--- /dev/null
+++ b/nodes/string_concat.py
@@ -0,0 +1,25 @@
+import os
+import json
+
+class StringConcat:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "prefix": ("STRING",{"defaultInput": True, "default": "", "multiline": True, "dynamicPrompts": False}),
+                "suffix": ("STRING",{"defaultInput": True, "default": "", "multiline": True, "dynamicPrompts": False, "hidden": True}),
+            },
+            "optional": {
+            },
+        }
+
+    RETURN_TYPES = ("STRING", )
+    FUNCTION = "execute"
+
+    CATEGORY = "iw"
+
+    def execute(self, prefix, suffix):
+        return (prefix + suffix,)
diff --git a/nodes/string_node.py b/nodes/string_node.py
new file mode 100644
index 0000000..2d895ca
--- /dev/null
+++ b/nodes/string_node.py
@@ -0,0 +1,24 @@
+import os
+import json
+
+class StringNode:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "input": ("STRING",{"defaultInput": False, "default": "", "multiline": True, "dynamicPrompts": False}),
+            },
+            "optional": {
+            },
+        }
+
+    RETURN_TYPES = ("STRING", )
+    FUNCTION = "execute"
+
+    CATEGORY = "iw"
+
+    def execute(self, input):
+        return (input,)
diff --git a/nodes/print_string.py b/nodes/string_print.py
similarity index 97%
rename from nodes/print_string.py
rename to nodes/string_print.py
index 7f21072..c362f0c 100644
--- a/nodes/print_string.py
+++ b/nodes/string_print.py
@@ -1,5 +1,5 @@
 
-class PrintString:
+class StringPrint:
     def __init__(self):
         pass
     
diff --git a/nodes/replace_string.py b/nodes/string_replace.py
similarity index 97%
rename from nodes/replace_string.py
rename to nodes/string_replace.py
index f7c7346..e92d0f6 100644
--- a/nodes/replace_string.py
+++ b/nodes/string_replace.py
@@ -1,7 +1,7 @@
 import os
 import json
 
-class ReplaceString:
+class StringReplace:
     def __init__(self):
         pass
 
diff --git a/nodes/save_string.py b/nodes/string_save.py
similarity index 98%
rename from nodes/save_string.py
rename to nodes/string_save.py
index ce1f75c..356dcb1 100644
--- a/nodes/save_string.py
+++ b/nodes/string_save.py
@@ -2,7 +2,7 @@ import folder_paths
 import os
 import json
 
-class SaveString:
+class StringSave:
     def __init__(self):
         self.output_dir = folder_paths.get_output_directory()
         pass