diff --git a/experimental/bodgy-mv/__main__.py b/experimental/bodgy-mv/__main__.py
new file mode 100644
index 0000000..bcd4fb4
--- /dev/null
+++ b/experimental/bodgy-mv/__main__.py
@@ -0,0 +1,60 @@
+import os
+import shutil
+from pathlib import Path
+import re
+
+def move_and_update_paths(src_dir: str, dst_dir: str, project_root: str):
+    src_dir = Path(src_dir).resolve()
+    dst_dir = Path(dst_dir).resolve()
+    project_root = Path(project_root).resolve()
+
+    if not src_dir.exists():
+        raise FileNotFoundError(f"Source directory {src_dir} does not exist.")
+    if not project_root.exists():
+        raise FileNotFoundError(f"Project root {project_root} does not exist.")
+
+    # Move the directory
+    print(f"Moving {src_dir} -> {dst_dir}")
+    shutil.move(str(src_dir), str(dst_dir))
+
+    # Regex to match relative paths starting with ./ or ../
+    relative_path_pattern = re.compile(r'(?P<quote>["\'])(\./|\.\./)([^"\']+)(?P=quote)')
+
+    for file_path in project_root.rglob('*'):
+        if file_path.is_file():
+            content = file_path.read_text(encoding='utf-8')
+            modified = False
+
+            def replace_relative(match):
+                old_path_str = match.group(2) + match.group(3)
+                old_path = (file_path.parent / old_path_str).resolve()
+                
+                # Check if the path was inside the moved directory
+                try:
+                    old_path.relative_to(dst_dir.parent)  # Check relative to the new parent
+                except ValueError:
+                    # Not affected, return original
+                    return match.group(0)
+                
+                # Compute new relative path from the file
+                new_rel_path = os.path.relpath(old_path, file_path.parent)
+                modified_path = match.group('quote') + new_rel_path.replace(os.sep, '/') + match.group('quote')
+                nonlocal modified
+                modified = True
+                return modified_path
+
+            new_content = relative_path_pattern.sub(replace_relative, content)
+            if modified:
+                file_path.write_text(new_content, encoding='utf-8')
+                print(f"Updated paths in {file_path}")
+
+if __name__ == "__main__":
+    import argparse
+
+    parser = argparse.ArgumentParser(description="Move directory subtree and update relative paths.")
+    parser.add_argument("src", help="Source directory to move")
+    parser.add_argument("dst", help="Destination directory")
+    parser.add_argument("project_root", help="Root of the project where relative paths need updating")
+
+    args = parser.parse_args()
+    move_and_update_paths(args.src, args.dst, args.project_root)