diff --git a/src/EcsAspect.cs b/src/EcsAspect.cs
index d025f82..4bbfbed 100644
--- a/src/EcsAspect.cs
+++ b/src/EcsAspect.cs
@@ -113,9 +113,6 @@ namespace DCFApixels.DragonECS
             private EcsWorld _world;
             private EcsStaticMask.Builder _maskBuilder;
 
-            //private IEcsPool[] _poolsBuffer = new IEcsPool[8];
-            //private int _poolsBufferCount;
-
             #region Properties
             public IncludeMarker Inc
             {
@@ -219,11 +216,6 @@ namespace DCFApixels.DragonECS
             private TPool CachePool<TPool>() where TPool : IEcsPoolImplementation, new()
             {
                 var pool = _world.GetPoolInstance<TPool>();
-                //if (_poolsBufferCount >= _poolsBuffer.Length)
-                //{
-                //    Array.Resize(ref _poolsBuffer, _poolsBuffer.Length << 1);
-                //}
-                //_poolsBuffer[_poolsBufferCount++] = pool;
                 return pool;
             }
             private void IncludeImplicit(Type type)
@@ -374,25 +366,25 @@ namespace DCFApixels.DragonECS
         #endregion
     }
 
-    #region EcsAspectExtensions
-    //public static class EcsAspectExtensions
-    //{
-    //    public static EcsAspect.Builder Inc<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
-    //    {
-    //        pool = self.IncludePool<TPool>();
-    //        return self;
-    //    }
-    //    public static EcsAspect.Builder Exc<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
-    //    {
-    //        pool = self.ExcludePool<TPool>();
-    //        return self;
-    //    }
-    //    public static EcsAspect.Builder Opt<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
-    //    {
-    //        pool = self.OptionalPool<TPool>();
-    //        return self;
-    //    }
-    //}
+    #region EcsAspect.Builder.Extensions
+    public static class EcsAspectBuilderExtensions
+    {
+        public static EcsAspect.Builder Inc<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
+        {
+            pool = self.IncludePool<TPool>();
+            return self;
+        }
+        public static EcsAspect.Builder Exc<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
+        {
+            pool = self.ExcludePool<TPool>();
+            return self;
+        }
+        public static EcsAspect.Builder Opt<TPool>(this EcsAspect.Builder self, ref TPool pool) where TPool : IEcsPoolImplementation, new()
+        {
+            pool = self.OptionalPool<TPool>();
+            return self;
+        }
+    }
     #endregion
 
     #region Constraint Markers
diff --git a/src/EcsWorld.pools.cs b/src/EcsWorld.pools.cs
index bf30c72..763e0c6 100644
--- a/src/EcsWorld.pools.cs
+++ b/src/EcsWorld.pools.cs
@@ -374,40 +374,38 @@ namespace DCFApixels.DragonECS
         {
 #if (DEBUG && !DISABLE_DEBUG) || ENABLE_DRAGONECS_ASSERT_CHEKS
             ref var slot = ref _poolSlots[componentTypeID];
-            if (slot.locked == false)
+            if (slot.lockedCounter == 0)
             {
-                slot.locked = true;
-                if (_lockedPoolCount == 0)
-                {
-                    ReleaseDelEntityBufferAll();
-                }
+                //очистка буффера, чтобы она рандомно не сработала в блоке блоикровки пула
+                ReleaseDelEntityBufferAll();
                 _lockedPoolCount++;
-                _pools[componentTypeID].OnLockedChanged_Debug(true);
             }
+            slot.lockedCounter++;
+            _pools[componentTypeID].OnLockedChanged_Debug(true);
 #endif
         }
         public void UnlockPool_Debug(int componentTypeID)
         {
 #if (DEBUG && !DISABLE_DEBUG) || ENABLE_DRAGONECS_ASSERT_CHEKS
             ref var slot = ref _poolSlots[componentTypeID];
-            if (slot.locked == true)
+            slot.lockedCounter--;
+            if (slot.lockedCounter <= 0)
             {
-                slot.locked = false;
                 _lockedPoolCount--;
-
-                if (_lockedPoolCount < 0)
+                if (_lockedPoolCount < 0 || slot.lockedCounter < 0)
                 {
                     _lockedPoolCount = 0;
+                    slot.lockedCounter = 0;
                     Throw.OpeningClosingMethodsBalanceError();
                 }
-                _pools[componentTypeID].OnLockedChanged_Debug(false);
             }
+            _pools[componentTypeID].OnLockedChanged_Debug(false);
 #endif
         }
         public bool CheckPoolLocked_Debug(int componentTypeID)
         {
 #if (DEBUG && !DISABLE_DEBUG) || ENABLE_DRAGONECS_ASSERT_CHEKS
-            return _poolSlots[componentTypeID].locked;
+            return _poolSlots[componentTypeID].lockedCounter != 0;
 #else
             return false;
 #endif
@@ -417,10 +415,10 @@ namespace DCFApixels.DragonECS
         #region Utils
         internal struct PoolSlot
         {
-            public int count;
             public long version;
+            public int count;
 #if (DEBUG && !DISABLE_DEBUG) || ENABLE_DRAGONECS_ASSERT_CHEKS
-            public bool locked;
+            public int lockedCounter;
 #endif
         }
         public readonly ref struct GetPoolInstanceMarker
diff --git a/src/Pools/EcsPool.cs b/src/Pools/EcsPool.cs
index c347dc8..87c1ff0 100644
--- a/src/Pools/EcsPool.cs
+++ b/src/Pools/EcsPool.cs
@@ -3,6 +3,7 @@ using DCFApixels.DragonECS.PoolsCore;
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
 #if ENABLE_IL2CPP
@@ -46,7 +47,7 @@ namespace DCFApixels.DragonECS
         private bool _isHasComponentCopyHandler = EcsComponentCopyHandler<T>.isHasHandler;
 
 #if !DISABLE_POOLS_EVENTS
-        private readonly List<IEcsPoolEventListener> _listeners = new List<IEcsPoolEventListener>();
+        private readonly StructList<IEcsPoolEventListener> _listeners = new StructList<IEcsPoolEventListener>(2);
         private int _listenersCachedCount = 0;
 #endif
         private bool _isLocked;
@@ -102,11 +103,12 @@ namespace DCFApixels.DragonECS
                 }
             }
             _mediator.RegisterComponent(entityID, _componentTypeID, _maskBit);
-            EnableComponent(ref _items[itemIndex]);
+            ref T result = ref _items[itemIndex];
+            EnableComponent(ref result);
 #if !DISABLE_POOLS_EVENTS
             _listeners.InvokeOnAddAndGet(entityID, _listenersCachedCount);
 #endif
-            return ref _items[itemIndex];
+            return ref result;
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public ref T Get(int entityID)
@@ -284,7 +286,7 @@ namespace DCFApixels.DragonECS
         public void RemoveListener(IEcsPoolEventListener listener)
         {
             if (listener == null) { EcsPoolThrowHelper.ThrowNullListener(); }
-            if (_listeners.Remove(listener))
+            if (_listeners.RemoveWithOrder(listener))
             {
                 _listenersCachedCount--;
             }
@@ -343,7 +345,8 @@ namespace DCFApixels.DragonECS
         public static implicit operator EcsPool<T>(EcsWorld.GetPoolInstanceMarker a) { return a.GetInstance<EcsPool<T>>(); }
         #endregion
     }
-    public static class EcsPoolExt
+
+    public static class EcsPoolExtensions
     {
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsPool<TComponent> GetPool<TComponent>(this EcsWorld self) where TComponent : struct, IEcsComponent
@@ -356,20 +359,44 @@ namespace DCFApixels.DragonECS
             return self.GetPoolInstanceUnchecked<EcsPool<TComponent>>();
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsPool<TComponent> Inc<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
+        {
+            return self.IncludePool<EcsPool<TComponent>>();
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsPool<TComponent> Exc<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
+        {
+            return self.ExcludePool<EcsPool<TComponent>>();
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsPool<TComponent> Opt<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
+        {
+            return self.OptionalPool<EcsPool<TComponent>>();
+        }
+
+        #region Obsolete
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Inc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsPool<TComponent> Include<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
         {
             return self.IncludePool<EcsPool<TComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Exc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsPool<TComponent> Exclude<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
         {
             return self.ExcludePool<EcsPool<TComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Opt) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsPool<TComponent> Optional<TComponent>(this EcsAspect.Builder self) where TComponent : struct, IEcsComponent
         {
             return self.OptionalPool<EcsPool<TComponent>>();
         }
+        #endregion
     }
 }
diff --git a/src/Pools/EcsPoolBase.cs b/src/Pools/EcsPoolBase.cs
index 616de39..de4b7c0 100644
--- a/src/Pools/EcsPoolBase.cs
+++ b/src/Pools/EcsPoolBase.cs
@@ -295,6 +295,34 @@ namespace DCFApixels.DragonECS
         {
             for (int i = 0; i < cachedCount; i++) self[i].OnDel(entityID);
         }
+
+        //
+
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void InvokeOnAdd(this StructList<IEcsPoolEventListener> self, int entityID, int cachedCount)
+        {
+            for (int i = 0; i < cachedCount; i++) self[i].OnAdd(entityID);
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void InvokeOnAddAndGet(this StructList<IEcsPoolEventListener> self, int entityID, int cachedCount)
+        {
+            for (int i = 0; i < cachedCount; i++)
+            {
+                self[i].OnAdd(entityID);
+                self[i].OnGet(entityID);
+            }
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void InvokeOnGet(this StructList<IEcsPoolEventListener> self, int entityID, int cachedCount)
+        {
+            for (int i = 1; i < cachedCount; i++) self[i].OnGet(entityID);
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void InvokeOnDel(this StructList<IEcsPoolEventListener> self, int entityID, int cachedCount)
+        {
+            for (int i = 0; i < cachedCount; i++) self[i].OnDel(entityID);
+        }
     }
 #endif
     #endregion
diff --git a/src/Pools/EcsTagPool.cs b/src/Pools/EcsTagPool.cs
index 6859e42..5a1118f 100644
--- a/src/Pools/EcsTagPool.cs
+++ b/src/Pools/EcsTagPool.cs
@@ -4,7 +4,8 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Diagnostics;
-
+using DCFApixels.DragonECS.Internal;
+using System.ComponentModel;
 #if (DEBUG && !DISABLE_DEBUG)
 using System.Reflection;
 #endif
@@ -41,7 +42,7 @@ namespace DCFApixels.DragonECS
         private int _count = 0;
 
 #if !DISABLE_POOLS_EVENTS
-        private List<IEcsPoolEventListener> _listeners = new List<IEcsPoolEventListener>();
+        private StructList<IEcsPoolEventListener> _listeners = new StructList<IEcsPoolEventListener>(2);
         private int _listenersCachedCount = 0;
 #endif
         private bool _isLocked;
@@ -274,7 +275,7 @@ namespace DCFApixels.DragonECS
         public void RemoveListener(IEcsPoolEventListener listener)
         {
             if (listener == null) { EcsPoolThrowHelper.ThrowNullListener(); }
-            if (_listeners.Remove(listener))
+            if (_listeners.RemoveWithOrder(listener))
             {
                 _listenersCachedCount--;
             }
@@ -294,7 +295,8 @@ namespace DCFApixels.DragonECS
         public static implicit operator EcsTagPool<T>(EcsWorld.GetPoolInstanceMarker a) { return a.GetInstance<EcsTagPool<T>>(); }
         #endregion
     }
-    public static class EcsTagPoolExt
+
+    public static class EcsTagPoolExtensions
     {
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> GetPool<TTagComponent>(this EcsWorld self) where TTagComponent : struct, IEcsTagComponent
@@ -307,16 +309,39 @@ namespace DCFApixels.DragonECS
             return self.GetPoolInstanceUnchecked<EcsTagPool<TTagComponent>>();
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsTagPool<TTagComponent> Inc<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
+        {
+            return self.IncludePool<EcsTagPool<TTagComponent>>();
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsTagPool<TTagComponent> Exc<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
+        {
+            return self.ExcludePool<EcsTagPool<TTagComponent>>();
+        }
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static EcsTagPool<TTagComponent> Opt<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
+        {
+            return self.OptionalPool<EcsTagPool<TTagComponent>>();
+        }
+
+        #region Obsolete
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Inc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> Include<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.IncludePool<EcsTagPool<TTagComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Exc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> Exclude<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.ExcludePool<EcsTagPool<TTagComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Opt) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> Optional<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
@@ -325,31 +350,42 @@ namespace DCFApixels.DragonECS
 
         //---------------------------------------------------
 
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(GetPool) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> GetTagPool<TTagComponent>(this EcsWorld self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.GetPoolInstance<EcsTagPool<TTagComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(GetPoolUnchecked) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> GetTagPoolUnchecked<TTagComponent>(this EcsWorld self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.GetPoolInstanceUnchecked<EcsTagPool<TTagComponent>>();
         }
 
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Inc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> IncludeTag<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.IncludePool<EcsTagPool<TTagComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Exc) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> ExcludeTag<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.ExcludePool<EcsTagPool<TTagComponent>>();
         }
+        [Obsolete("Use " + nameof(EcsAspect) + "." + nameof(EcsAspect.Builder) + "." + nameof(Opt) + "<T>()")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static EcsTagPool<TTagComponent> OptionalTag<TTagComponent>(this EcsAspect.Builder self) where TTagComponent : struct, IEcsTagComponent
         {
             return self.OptionalPool<EcsTagPool<TTagComponent>>();
         }
+        #endregion
     }
 }