diff --git a/classes/Item.php b/classes/Item.php
index 55af982..e5cea60 100644
--- a/classes/Item.php
+++ b/classes/Item.php
@@ -143,6 +143,8 @@ abstract class Item
         }
     }
 
+    abstract public function printInfo();
+
     public function printImage()
     {
         echo "<img src='/i/sh/{$this->img}'>";