diff --git a/lib/utils/script.js b/lib/utils/script.js
index fa988f6..af7f874 100644
--- a/lib/utils/script.js
+++ b/lib/utils/script.js
@@ -79,6 +79,10 @@ class script extends utils {
     return `(${params.join(', ')})`
   }
 
+  static offset (s) {
+    return `(${s} % ${random.range(1, 3)})`
+  }
+
   static randListIndex (objName) {
     return `${random.number()} % ${o.pick(objName)}.length`
   }