diff --git a/src/anonymous_range.h b/src/anonymous_range.h
index 19bcba0..4fff219 100644
--- a/src/anonymous_range.h
+++ b/src/anonymous_range.h
@@ -9,11 +9,50 @@
 namespace MultiArrayTools
 {
 
-    typedef SingleIndex<size_t,NONE> AnonymousIndex;
-    
-    class AnonymousRange : public RangeBase<AnonymousIndex>
-    {
+    typedef SingleIndex<size_t,RangeType::NONE> AnonymousIndex;
 
+    template <typename U, RangeType TYPE>
+    class AnonymousRangeFactory : public RangeFactoryBase
+    {
+    public:
+	
+	typedef SingleRange<U,TYPE> oType;
+
+	AnonymousRangeFactory() = delete;
+	AnonymousRangeFactory(const std::shared_ptr<Ranges>... origs);
+	std::shared_ptr<RangeBase> create();
+	
+    };
+
+    
+    class AnonymousRange : public RangeInterface<AnonymousIndex>
+    {
+	typedef RangeBase RB;
+	typedef typename RangeInterface<AnonymousIndex>::IndexType IndexType;
+	
+	virtual size_t size() const override;
+	virtual size_t dim() const override;
+	
+	const size_t& get(size_t pos) const;
+	size_t getMeta(const size_t& metaPos) const;
+	
+	virtual IndexType begin() const override;
+	virtual IndexType end() const override;
+	virtual std::shared_ptr<IndexBase> index() const override;
+	
+	friend AnonymousRangeFactory;
+	
+    protected:
+
+	AnonymousRange() = delete;
+	AnonymousRange(const AnonymousRange& in) = delete;
+
+	template <class Ranges...>
+	AnonymousRange(const std::shared_ptr<Ranges>... origs);
+
+	size_t mSize;
+	
+	std::vector<std::shared_ptr<RangeBase> > mOrig;
     };
 
 }
@@ -22,6 +61,80 @@ namespace MultiArrayTools
  * ---   TEMPLATE CODE   --- *
  * ========================= */
 
-// ...
+namespace MultiArrayTools
+{
+
+    /********************
+     *   AnonymousRange    *
+     ********************/
+    
+    AnonymousRangeFactory::AnonymousRangeFactory(const std::shared_ptr<Ranges>... origs)
+    {
+	mProd = std::shared_ptr<oType>( new AnonymousRange( space ) );
+    }
+        
+    std::shared_ptr<RangeBase> AnonymousRangeFactory::create()
+    {
+	setSelf();
+	return mProd;
+    }
+    
+    /********************
+     *   AnonymousRange    *
+     ********************/
+        
+    AnonymousRange::AnonymousRange(const std::shared_ptr<Ranges>... origs) :
+	RangeInterface<AnonymousIndex>()
+    {
+	// mOrig !!!!
+	// mSize !!! = (prod origs.size...)
+    }
+    
+    const size_t& AnonymousRange::get(size_t pos) const
+    {
+	static size_t x;
+	x = pos;
+	return x;
+    }
+        
+    size_t AnonymousRange::getMeta(const size_t& metaPos) const
+    {
+	return metaPos;
+    }
+        
+    size_t AnonymousRange::size() const
+    {
+	return mSize;
+    }
+        
+    size_t AnonymousRange::dim() const
+    {
+	return 1;
+    }
+        
+    typename AnonymousRange::IndexType AnonymousRange::begin() const
+    {
+	SingleIndex i( std::dynamic_pointer_cast<AnonymousRange>
+		       ( std::shared_ptr<RangeBase>( RB::mThis ) ) );
+	i = 0;
+	return i;
+    }
+    
+    typename AnonymousRange::IndexType AnonymousRange::end() const
+    {
+	SingleIndex i( std::dynamic_pointer_cast<AnonymousRange>
+		       ( std::shared_ptr<RangeBase>( RB::mThis ) ) );
+	i = size();
+	return i;
+    }
+
+    // put this in the interface class !!!
+    std::shared_ptr<IndexBase> AnonymousRange::index() const
+    {
+	return std::make_shared<SingleIndex >
+	    ( std::dynamic_pointer_cast<AnonymousRange>
+	      ( std::shared_ptr<RangeBase>( RB::mThis ) ) );
+    }
+}
 
 #endif
diff --git a/src/range_types/header.h b/src/range_types/header.h
new file mode 100644
index 0000000..d551506
--- /dev/null
+++ b/src/range_types/header.h
@@ -0,0 +1,12 @@
+
+#ifdef __single_range_h__
+// singel_range is template which is specialized here
+// therefore it must be defined before...
+
+#ifndef __ranges_header__
+#define __ranges_header__
+
+#include "spin_range.h"
+
+#endif
+#endif
diff --git a/src/range_types/spin_range.h b/src/range_types/spin_range.h
new file mode 100644
index 0000000..3918c4b
--- /dev/null
+++ b/src/range_types/spin_range.h
@@ -0,0 +1,65 @@
+
+#ifdef __ranges_header__
+// assert, that this is only used within range_types/header.h
+
+#ifndef __spin_range_h__
+#define __spin_range_h__
+
+namespace MultiArrayTools
+{
+    typedef SingleIndex<size_t,RangeType::SPIN> SpinIndex;
+
+    template <>
+    class SingleRangeFactory<size_t,RangeType::SPIN> : public RangeFactoryBase
+    {
+    public:
+	
+	typedef SingleRange<U,TYPE> oType;
+
+	SingleRangeFactory() = delete;
+	SingleRangeFactory(size_t spinNum); // = 4 :)
+	std::shared_ptr<RangeBase> create();
+	
+    };
+
+    template <>
+    class SingleRange<size_t,RangeType::SPIN> : public RangeInterface<SpinIndex>
+    {
+    public:
+	typedef RangeBase RB;
+	typedef typename RangeInterface<SingleIndex<U,TYPE> >::IndexType IndexType;
+	
+	virtual size_t size() const override;
+	virtual size_t dim() const override;
+	
+	const U& get(size_t pos) const;
+	size_t getMeta(const U& metaPos) const;
+	
+	virtual IndexType begin() const override;
+	virtual IndexType end() const override;
+	virtual std::shared_ptr<IndexBase> index() const override;
+	
+	friend SingleRangeFactory<size_t,RangeType::SPIN>;
+	
+    protected:
+
+	SingleRange() = delete;
+	SingleRange(const SingleRange& in) = delete;
+
+	SingleRange(size_t spinNum);
+
+	size_t mSpinNum = 4;
+    };
+}
+
+/* ========================= *
+ * ---   TEMPLATE CODE   --- *
+ * ========================= */
+
+namespace MultiArrayTools
+{
+    // ... !!!!
+}
+
+#endif
+#endif
diff --git a/src/single_range.h b/src/single_range.h
index 100a60a..33d0ffa 100644
--- a/src/single_range.h
+++ b/src/single_range.h
@@ -276,4 +276,6 @@ namespace MultiArrayTools
 
 }
 
+#include "range_types/header.h"
+
 #endif