diff --git a/src/Unicorn.Tests/TestingTools/Attributes/AutoSubAttribute.cs b/src/Unicorn.Tests/TestingTools/Attributes/AutoSubAttribute.cs
new file mode 100644
index 00000000..7216bd09
--- /dev/null
+++ b/src/Unicorn.Tests/TestingTools/Attributes/AutoSubAttribute.cs
@@ -0,0 +1,13 @@
+using Ploeh.AutoFixture.AutoNSubstitute;
+using Ploeh.AutoFixture.Xunit2;
+
+namespace Unicorn.Tests.TestingTools.Attributes
+{
+	public class AutoSubAttribute : AutoDataAttribute
+	{
+		public AutoSubAttribute()
+		{
+			Fixture.Customize(new AutoNSubstituteCustomization());
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/Unicorn.Tests/UI/Gutter/TransparentSyncGutterTests.cs b/src/Unicorn.Tests/UI/Gutter/TransparentSyncGutterTests.cs
new file mode 100644
index 00000000..0190931b
--- /dev/null
+++ b/src/Unicorn.Tests/UI/Gutter/TransparentSyncGutterTests.cs
@@ -0,0 +1,39 @@
+using System;
+using FluentAssertions;
+using Ploeh.AutoFixture.Xunit2;
+using Sitecore;
+using Sitecore.Data.Items;
+using Sitecore.Shell.Applications.ContentEditor.Gutters;
+using Unicorn.Data.DataProvider;
+using Unicorn.Tests.TestingTools.Attributes;
+using Unicorn.UI.Gutter;
+using Xunit;
+
+namespace Unicorn.Tests.UI.Gutter
+{
+	public class TransparentSyncGutterTests
+	{
+		[Theory, AutoSub]
+		public void GetIconDescriptor_WhenItemIsNull_ThrowArgumentNullException([Greedy]TestableTransparentSyncGutter sut)
+		{
+			Assert.Throws<ArgumentNullException>(() => sut.Public_GetIconDescriptor(null));
+		}
+
+		[Theory, AutoDbData]
+		public void GetIconDescriptor_WasLastUpdatedByTransparentSync_ReturnGutterIconDescriptor([Greedy]TestableTransparentSyncGutter sut, [Content] Item item)
+		{
+			using (new EditContext(item))
+			{
+				item[FieldIDs.UpdatedBy] = UnicornDataProvider.TransparentSyncUpdatedByValue;
+				sut.Public_GetIconDescriptor(item).Should().BeAssignableTo<GutterIconDescriptor>();
+			}
+		}
+	}
+	public class TestableTransparentSyncGutter : TransparentSyncGutter
+	{
+		public GutterIconDescriptor Public_GetIconDescriptor(Item item)
+		{
+			return GetIconDescriptor(item);
+		}
+	}
+}
diff --git a/src/Unicorn.Tests/Unicorn.Tests.csproj b/src/Unicorn.Tests/Unicorn.Tests.csproj
index b26bf43e..9252017c 100644
--- a/src/Unicorn.Tests/Unicorn.Tests.csproj
+++ b/src/Unicorn.Tests/Unicorn.Tests.csproj
@@ -151,6 +151,8 @@
     <Compile Include="Configuration\Dependencies\DepTestHelper.cs" />
     <Compile Include="Configuration\Dependencies\InterconfigurationDependencyResolverTests.cs" />
     <Compile Include="Configuration\MicroConfigurationTests.cs" />
+    <Compile Include="TestingTools\Attributes\AutoSubAttribute.cs" />
+    <Compile Include="UI\Gutter\TransparentSyncGutterTests.cs" />
     <None Include="app.config" />
     <Compile Include="ControlPanel\Security\SitecoreDatabaseChallengeStoreTests.cs" />
     <Compile Include="Data\DataProvider\ItemChangeApplyingItemDataTests.cs" />
diff --git a/src/Unicorn/ControlPanel/Controls/Addons.cs b/src/Unicorn/ControlPanel/Controls/Addons.cs
new file mode 100644
index 00000000..bff43541
--- /dev/null
+++ b/src/Unicorn/ControlPanel/Controls/Addons.cs
@@ -0,0 +1,47 @@
+using System.Web.UI;
+using Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest;
+
+namespace Unicorn.ControlPanel.Controls
+{
+	/// <summary>
+	/// Addons section
+	/// </summary>
+	internal class Addons : IControlPanelControl
+	{
+		public void Render(HtmlTextWriter writer)
+		{
+			writer.Write(@"
+				<article>");
+			writer.Write(@"
+					<h2>Addons</h2>");
+
+			writer.Write("<section>");
+			writer.Write("<table><tbody><tr>");
+
+			writer.Write("<td>");
+			writer.Write("<h3>Gutter Addon</h3>");
+			writer.Write("<p>Adds a gutter icon to any items that are included in a Unicorn Transparent Sync configuration</p>");
+			writer.Write(@"<p class=""help"">Note: if you have upgraded Unicorn and see a ""Verb Not Found"" message when clicking this button, make sure the following entries are present in your <strong>unicornControlPanelRequest</strong> pipeline:");
+			writer.Write(@"<pre class=""help"">
+&lt;processor type=""Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest.InstallGutterVerb, Unicorn"" /&gt;
+&lt;processor type=""Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest.RemoveGutterVerb, Unicorn"" /&gt;
+</pre>");
+			writer.Write("</td>");
+			writer.Write(@"<td class=""controls"">");
+
+			if (GutterVerbBase.GetGutterItem() != null)
+			{
+				writer.Write(@"<a class=""button"" data-basehref=""?verb=RemoveGutter"" href=""?verb=RemoveGutter"">Remove Gutter Addon</a>");
+			}
+			else
+			{
+				writer.Write(@"<a class=""button"" data-basehref=""?verb=InstallGutter"" href=""?verb=InstallGutter"">Install Gutter Addon</a>");
+			}
+			writer.Write("</td>");
+			writer.Write("</tbody></table>");
+			writer.Write("</section>");
+			writer.Write(@"
+				</article>");
+		}
+	}
+}
diff --git a/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/GutterVerbBase.cs b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/GutterVerbBase.cs
new file mode 100644
index 00000000..93e5ff95
--- /dev/null
+++ b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/GutterVerbBase.cs
@@ -0,0 +1,35 @@
+using Kamsar.WebConsole;
+using Sitecore.Configuration;
+using Sitecore.Data;
+using Sitecore.Data.Items;
+using Sitecore.Data.Managers;
+using Unicorn.ControlPanel.Headings;
+using Unicorn.ControlPanel.Responses;
+using Unicorn.Logging;
+
+namespace Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest
+{
+	public abstract class GutterVerbBase : UnicornControlPanelRequestPipelineProcessor
+	{
+		private readonly string _consoleTitle;
+		protected const string GutterItemId = "{82496AF6-123F-4724-B7B6-746ED49A7747}";
+
+		protected GutterVerbBase(string verbHandled, string consoleTitle) : base(verbHandled)
+		{
+			_consoleTitle = consoleTitle;
+		}
+
+		protected override IResponse CreateResponse(UnicornControlPanelRequestPipelineArgs args)
+		{
+			return new WebConsoleResponse(_consoleTitle, args.SecurityState.IsAutomatedTool, new HeadingService(), progress => Process(progress, new WebConsoleLogger(progress, args.Context.Request.QueryString["log"])));
+		}
+
+		protected abstract void Process(IProgressStatus process, ILogger logger);
+
+		public static Item GetGutterItem()
+		{
+			Database coredb = Factory.GetDatabase("core");
+			return coredb.DataManager.DataEngine.GetItem(new ID(GutterItemId), LanguageManager.DefaultLanguage, Version.Latest);
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/InstallGutterVerb.cs b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/InstallGutterVerb.cs
new file mode 100644
index 00000000..ae132b76
--- /dev/null
+++ b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/InstallGutterVerb.cs
@@ -0,0 +1,65 @@
+using System;
+using Kamsar.WebConsole;
+using Sitecore;
+using Sitecore.Configuration;
+using Sitecore.Data;
+using Sitecore.Data.Items;
+using Sitecore.Data.Managers;
+using Sitecore.SecurityModel;
+using Unicorn.Logging;
+using Version = Sitecore.Data.Version;
+
+namespace Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest
+{
+	public class InstallGutterVerb : GutterVerbBase
+	{
+		public const string VerbName = "InstallGutter";
+		private const string GutterFolderId = "{59F37069-3118-4151-8C01-5DA0EF12CB4E}";
+		private const string GutterRendererTemplateId = "{F5D247E0-80E6-4F31-9921-D30D00B61B3C}";
+		public InstallGutterVerb() : base(VerbName, "Install Gutter")
+		{
+		}
+
+		protected override void Process(IProgressStatus progress, ILogger logger)
+		{
+			Item gutterItem = GetGutterItem();
+			Database coredb = Factory.GetDatabase("core");
+
+			if (gutterItem != null)
+			{
+				logger.Warn("JOB COMPLETE. Gutter icon exists. Aborting...");
+				WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				return;
+			}
+
+			using (new SecurityDisabler())
+			{
+				Item gutterFolder = coredb.DataManager.DataEngine.GetItem(new ID(GutterFolderId), LanguageManager.DefaultLanguage,
+					Version.Latest);
+
+				logger.Info("Creating item");
+				try
+				{
+					gutterItem = ItemManager.CreateItem("Transparent Sync", gutterFolder, new ID(GutterRendererTemplateId),
+						new ID(GutterItemId));
+
+
+					gutterItem.Editing.BeginEdit();
+					gutterItem[FieldIDs.DisplayName] = "Transparent Sync";
+					gutterItem["Header"] = "Transparent Sync";
+					gutterItem["Type"] = "Unicorn.UI.Gutter.TransparentSyncGutter, Unicorn";
+					gutterItem.Editing.EndEdit(true, false);
+
+					logger.Info("JOB COMPLETE. Gutter item created successfully!");
+					WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				}
+				catch (Exception ex)
+				{
+					logger.Error(ex);
+					logger.Error("JOB FAILED. An error has occurred. See above stack trace for details.");
+					WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				}
+			}
+		}
+	}
+}
diff --git a/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RemoveGutterVerb.cs b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RemoveGutterVerb.cs
new file mode 100644
index 00000000..100ac748
--- /dev/null
+++ b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RemoveGutterVerb.cs
@@ -0,0 +1,42 @@
+using System;
+using Kamsar.WebConsole;
+using Sitecore.Data.Items;
+using Sitecore.SecurityModel;
+using Unicorn.Logging;
+
+namespace Unicorn.ControlPanel.Pipelines.UnicornControlPanelRequest
+{
+	public class RemoveGutterVerb : GutterVerbBase
+	{
+		public const string VerbName = "RemoveGutter";
+		public RemoveGutterVerb() : base(VerbName, "Remove Gutter Addon")
+		{
+		}
+		protected override void Process(IProgressStatus progress, ILogger additionalLogger)
+		{
+			Item gutterItem = GetGutterItem();
+
+			if (gutterItem == null)
+			{
+				additionalLogger.Warn("JOB COMPLETE. Gutter icon does not exist. Aborting...");
+				WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				return;
+			}
+			using (new SecurityDisabler())
+			{
+				try
+				{
+					gutterItem.Delete();
+					additionalLogger.Info("JOB COMPLETE. Gutter item deleted successfully!");
+					WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				}
+				catch (Exception ex)
+				{
+					additionalLogger.Error(ex);
+					additionalLogger.Error("JOB FAILED. An error has occurred. See above stack trace for details.");
+					WebConsoleUtility.SetTaskProgress(progress, 1, 1, 100);
+				}
+			}
+		}
+	}
+}
diff --git a/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RenderControlPanel.cs b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RenderControlPanel.cs
index b34ba2a6..8a2b6b6e 100644
--- a/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RenderControlPanel.cs
+++ b/src/Unicorn/ControlPanel/Pipelines/UnicornControlPanelRequest/RenderControlPanel.cs
@@ -72,6 +72,8 @@ protected virtual IEnumerable<IControlPanelControl> CreateBodyControls(UnicornCo
 							</table>
 						</article>");
 
+				yield return new Addons();
+
 				yield return new QuickReference();
 			}
 			else
diff --git a/src/Unicorn/ControlPanel/UnicornControlPanelPipelineProcessor.cs b/src/Unicorn/ControlPanel/UnicornControlPanelPipelineProcessor.cs
index 8e9e8e7c..a20094d8 100644
--- a/src/Unicorn/ControlPanel/UnicornControlPanelPipelineProcessor.cs
+++ b/src/Unicorn/ControlPanel/UnicornControlPanelPipelineProcessor.cs
@@ -61,7 +61,7 @@ public virtual void ProcessRequest(HttpContext context)
 
 				if (pipelineArgs.Response == null)
 				{
-					pipelineArgs.Response = new PlainTextResponse("Not Found", HttpStatusCode.NotFound);
+					pipelineArgs.Response = new PlainTextResponse("Verb not found. Please check your unicornControlPanelRequest pipeline and compare it against the standard Unicorn.UI.config.", HttpStatusCode.NotFound);
 				}
 
 				if (securityState.IsAllowed)
diff --git a/src/Unicorn/UI/Gutter/TransparentSyncGutter.cs b/src/Unicorn/UI/Gutter/TransparentSyncGutter.cs
new file mode 100644
index 00000000..6e9bec61
--- /dev/null
+++ b/src/Unicorn/UI/Gutter/TransparentSyncGutter.cs
@@ -0,0 +1,22 @@
+using Sitecore.Data.Items;
+using Sitecore.Diagnostics;
+using Sitecore.Shell.Applications.ContentEditor.Gutters;
+using Unicorn.Data.DataProvider;
+
+namespace Unicorn.UI.Gutter
+{
+	public class TransparentSyncGutter : GutterRenderer
+	{
+		protected override GutterIconDescriptor GetIconDescriptor(Item item)
+		{
+			Assert.ArgumentNotNull(item, "item");
+			if (item.Statistics.UpdatedBy != UnicornDataProvider.TransparentSyncUpdatedByValue) return null;
+			var gutterIconDescriptor = new GutterIconDescriptor
+			{
+				Icon = "Office/32x32/arrow_circle2.png",
+				Tooltip = "This item is included by Unicorn Transparent Sync."
+			};
+			return gutterIconDescriptor;
+		}
+	}
+}
diff --git a/src/Unicorn/Unicorn.csproj b/src/Unicorn/Unicorn.csproj
index fc2483e2..734bdc9e 100644
--- a/src/Unicorn/Unicorn.csproj
+++ b/src/Unicorn/Unicorn.csproj
@@ -81,8 +81,12 @@
     <Compile Include="ControlPanel\Controls\BatchProcessingControls.cs" />
     <Compile Include="ControlPanel\Controls\ConfigurationInfo.cs" />
     <Compile Include="ControlPanel\Controls\GlobalWarnings.cs" />
+    <Compile Include="ControlPanel\Controls\Addons.cs" />
     <Compile Include="ControlPanel\Controls\QuickReference.cs" />
     <Compile Include="ControlPanel\Controls\NoConfigurations.cs" />
+    <Compile Include="ControlPanel\Pipelines\UnicornControlPanelRequest\GutterVerbBase.cs" />
+    <Compile Include="ControlPanel\Pipelines\UnicornControlPanelRequest\RemoveGutterVerb.cs" />
+    <Compile Include="ControlPanel\Pipelines\UnicornControlPanelRequest\InstallGutterVerb.cs" />
     <Compile Include="ControlPanel\Security\ChallengeStoreSitecoreLogger.cs" />
     <Compile Include="ControlPanel\Security\ChapServerSitecoreLogger.cs" />
     <Compile Include="ControlPanel\UnicornStringConsole.cs" />
@@ -219,6 +223,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Publishing\ManualPublishQueueHandler.cs" />
     <Compile Include="TransparentSyncDisabler.cs" />
+    <Compile Include="UI\Gutter\TransparentSyncGutter.cs" />
     <Compile Include="UI\Pipelines\GetContentEditorWarnings\SerializedWarning.cs" />
     <Compile Include="UI\Pipelines\GetContentEditorWarnings\Warning.cs" />
     <Compile Include="UI\Pipelines\SaveUi\SaveUiConfirmProcessor.cs" />