diff --git a/pyansi/__init__.py b/pyansi/__init__.py
index c5662cb..6e854da 100644
--- a/pyansi/__init__.py
+++ b/pyansi/__init__.py
@@ -39,21 +39,6 @@ def check_annotations(func: Callable) -> Callable:
     return wrapped
 
 
-def readline_wrap(func: Callable) -> Callable:
-    """wrap output in SOH/STX so that readline handles prompts properly"""
-
-    @wraps(func)
-    def wrapped(ansi: ANSI, *args, **kwargs):
-        result = ""
-        if ansi.readline_wrap:
-            result += ansi.SOH
-        result += func(ansi, *args, **kwargs)
-        if ansi.readline_wrap:
-            result += ansi.STX
-
-    return wrapped
-
-
 class Mode(Enum):
     C0 = auto()
     C1 = auto()
@@ -191,6 +176,21 @@ class ANSI:
     mode: Mode
     wrap: bool
 
+    @staticmethod
+    def readline_wrap(func: Callable) -> Callable:
+        """wrap output in SOH/STX so that readline handles prompts properly"""
+
+        @wraps(func)
+        def wrapped(ansi: Self, *args, **kwargs):
+            result = ""
+            if ansi.wrap:
+                result += ansi.SOH
+            result += func(ansi, *args, **kwargs)
+            if ansi.wrap:
+                result += ansi.STX
+
+        return wrapped
+
     def __init__(self: Self, mode: Mode = Mode.C0, wrap: bool = False) -> None:
         self.mode = mode
         self.wrap = wrap