diff --git a/sys/thing/restrictions.h b/sys/thing/restrictions.h
new file mode 100644
index 0000000..ea14401
--- /dev/null
+++ b/sys/thing/restrictions.h
@@ -0,0 +1,27 @@
+// MorgenGrauen MUDlib
+//
+// thing/restrictions.h -- restrictions of the object (weight)
+//
+// $Id: restrictions.h,v 3.3 2000/08/15 12:29:20 Paracelsus Exp $
+ 
+#ifndef __THING_RESTRICTIONS_H__
+#define __THING_RESTRICTIONS_H__
+
+// properties
+#define P_WEIGHT             "weight"       // weight of an object
+#define P_TOTAL_WEIGHT       "total_weight" // weight with all objects inside
+
+#endif // __THING_RESTRICTIONS_H__
+
+#ifdef NEED_PROTOTYPES
+
+#ifndef __THING_RESTRICTIONS_H_PROTO__
+#define __THING_RESTRICTIONS_H_PROTO__
+
+static void _set_weight(int weight);
+static mapping _set_extern_attributes_modifier(mapping xmod);
+static mapping _set_extern_health_modifier(mapping xmod);
+
+#endif // __THING_RESTRICTIONS_H_PROTO__
+
+#endif	// NEED_PROTOYPES