diff --git a/slicing.py b/slicing.py
index 7eebb38eaa3709a5f01b68e48e4d8129f5de881f..44b4e2b2c08c61680dd6a2f999c8339b4c418596 100644
--- a/slicing.py
+++ b/slicing.py
@@ -47,6 +47,10 @@ def normalizeSlice(slices, sizes):
     return tuple(result)
 
 
+def shiftSlice(slices, offset):
+    return [slice(k.start+offset, k.stop + offset, k.step) for k in slices]
+
+
 def sliceFromDirection(directionName, dim, normalOffset=0, tangentialOffset=0):
     """
     Create a slice from a direction named by compass scheme: