diff --git a/vsdeband/noise.py b/vsdeband/noise.py
index c084b62..8a17f10 100644
--- a/vsdeband/noise.py
+++ b/vsdeband/noise.py
@@ -3,7 +3,7 @@
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from functools import reduce
-from typing import TYPE_CHECKING, Any, Callable, Iterable, TypeAlias, cast
+from typing import TYPE_CHECKING, Any, Callable, Iterable, Protocol, TypeAlias, cast
 
 from vsdenoise import Prefilter
 from vsexprtools import complexpr_available, norm_expr
@@ -12,7 +12,7 @@
 from vsrgtools import BlurMatrix
 from vstools import (
     CustomIndexError, CustomOverflowError, CustomValueError, InvalidColorFamilyError, KwargsT, Matrix, MatrixT,
-    VSFunctionNoArgs, check_variable, core, depth, fallback, get_neutral_values, get_peak_value, get_y, inject_self,
+    check_variable, core, depth, fallback, get_neutral_values, get_peak_value, get_sample_type, get_y, inject_self,
     join, mod_x, normalize_seq, plane, scale_8bit, split, to_arr, vs
 )
 
@@ -42,6 +42,16 @@ class _gpp:
         Resolver: TypeAlias = Callable[[vs.VideoNode], Any]
 
 
+class ResolverOneClipArgs(Protocol):
+    def __call__(self, grained: vs.VideoNode) -> vs.VideoNode:
+        ...
+
+
+class ResolverTwoClipsArgs(Protocol):
+    def __call__(self, grained: vs.VideoNode, clip: vs.VideoNode) -> vs.VideoNode:
+        ...
+
+
 @dataclass
 class GrainPP(_gpp):
     value: str
@@ -53,7 +63,7 @@ def Bump(cls, strength: float = 0.1) -> GrainPP:
 
 
 FadeLimits = tuple[int | Iterable[int] | None, int | Iterable[int] | None]
-GrainPostProcessT = VSFunctionNoArgs | str | GrainPP | GrainPP.Resolver
+GrainPostProcessT = ResolverOneClipArgs | ResolverTwoClipsArgs | str | GrainPP | GrainPP.Resolver
 GrainPostProcessesT = GrainPostProcessT | list[GrainPostProcessT]
 
 
@@ -260,7 +270,10 @@ def _try_grain(src: vs.VideoNode, stre: tuple[float, float] = strength, **args:
         if self.postprocess:
             for postprocess in cast(list[GrainPostProcessT], to_arr(self.postprocess)):
                 if callable(postprocess):
-                    postprocess = postprocess(grained)
+                    try:
+                        postprocess = postprocess(grained, clip)
+                    except TypeError:
+                        postprocess = postprocess(grained)
 
                 if isinstance(postprocess, vs.VideoNode):
                     grained = postprocess