diff --git a/src/proc/mobject/session/session-impl.hpp b/src/proc/mobject/session/session-impl.hpp
index c120251cc..246b9f9c4 100644
--- a/src/proc/mobject/session/session-impl.hpp
+++ b/src/proc/mobject/session/session-impl.hpp
@@ -57,6 +57,7 @@
 #include "proc/mobject/session/session-service-mock-index.hpp"
 #include "proc/mobject/session/session-service-defaults.hpp"
 
+#include "proc/mobject/session/placement-index-query-resolver.hpp"
 
 #include <boost/scoped_ptr.hpp>
 #include <vector>
@@ -133,6 +134,7 @@ namespace session {
     };
   
   
+  
   template<class IMPL>
   struct ServiceAccessPoint<SessionServiceExploreScope, IMPL>
     : IMPL
@@ -140,9 +142,7 @@ namespace session {
       QueryResolver&
       getScopeQueryResolver()
         {
-          UNIMPLEMENTED ("how actually to manage the PlacementIndexQueryResolver wrapper instance");
-          
-//          return IMPL::magic_;
+          return resolvingWrapper_;
         }
       
       PlacementMO& 
@@ -150,9 +150,18 @@ namespace session {
         {
           return IMPL::getPlacementIndex()->getRoot();
         }
+      
+    protected:
+      ServiceAccessPoint<SessionServiceExploreScope, IMPL>()
+        : resolvingWrapper_(IMPL::getPlacementIndex())
+        { }
+      
+    private:
+      PlacementIndexQueryResolver resolvingWrapper_;
     };
   
   
+  
   template<class IMPL>
   struct ServiceAccessPoint<SessionServiceMockIndex, IMPL>
     : IMPL
@@ -177,6 +186,7 @@ namespace session {
     };
   
   
+  
   template<class IMPL>
   struct ServiceAccessPoint<SessionServiceDefaults, IMPL>
     : IMPL
diff --git a/src/proc/mobject/session/session-service-explore-scope.hpp b/src/proc/mobject/session/session-service-explore-scope.hpp
index f3ef6829b..577705cb9 100644
--- a/src/proc/mobject/session/session-service-explore-scope.hpp
+++ b/src/proc/mobject/session/session-service-explore-scope.hpp
@@ -32,9 +32,9 @@
  ** 
  ** By virtue of this service, QueryFocus, Scope and Placement can
  ** remain completely agnostic of session's implementation details,
- ** and especially aren't bound to PlacementIndex. This is important,
+ ** especially they aren't bound to PlacementIndex. This is important,
  ** because the public session API is casted in terms of PlacementRef
- ** and QueryFocus An implementation of this service is available
+ ** and QueryFocus. An implementation of this service is available
  ** through the SessionServices access mechanism.
  ** 
  ** @see session-impl.hpp implementation of the service
@@ -48,7 +48,6 @@
 
 #include "proc/mobject/placement.hpp"
 #include "proc/mobject/session/query-resolver.hpp"
-//#include "lib/meta/generator.hpp"
 
 
 
@@ -56,11 +55,8 @@
 namespace mobject {
 namespace session {
   
-//  using lumiera::typelist::InstantiateChained;
-//  using lumiera::typelist::InheritFrom;
-//  using lumiera::typelist::NullType;
-  
   
+
   struct SessionServiceExploreScope
     {
       static QueryResolver const& getResolver();