diff --git a/Glamourer/Designs/DesignBase.cs b/Glamourer/Designs/DesignBase.cs
index 1e45052..135c858 100644
--- a/Glamourer/Designs/DesignBase.cs
+++ b/Glamourer/Designs/DesignBase.cs
@@ -170,7 +170,7 @@ public class DesignBase
         => ApplyCustomize.HasFlag(idx.ToFlag());
 
     public bool DoApplyCrest(EquipSlot slot)
-        => ApplyCrest.HasFlag(slot.ToFlag());
+        => ApplyCrest.HasFlag(slot.ToCrestFlag());
 
     internal bool SetApplyEquip(EquipSlot slot, bool value)
     {
diff --git a/Glamourer/Designs/DesignManager.cs b/Glamourer/Designs/DesignManager.cs
index 7a0f500..7159bac 100644
--- a/Glamourer/Designs/DesignManager.cs
+++ b/Glamourer/Designs/DesignManager.cs
@@ -446,6 +446,31 @@ public class DesignManager
         _event.Invoke(DesignChanged.Type.ApplyStain, design, slot);
     }
 
+    /// <summary> Change the crest visibility for any equipment piece. </summary>
+    public void ChangeCrest(Design design, EquipSlot slot, bool crest)
+    {
+        var oldCrest = design.DesignData.Crest(slot);
+        if (!design.GetDesignDataRef().SetCrest(slot, crest))
+            return;
+
+        design.LastEdit = DateTimeOffset.UtcNow;
+        _saveService.QueueSave(design);
+        Glamourer.Log.Debug($"Set crest visibility of {slot} equipment piece to {crest}.");
+        _event.Invoke(DesignChanged.Type.Crest, design, (oldCrest, crest, slot));
+    }
+
+    /// <summary> Change whether to apply a specific crest visibility. </summary>
+    public void ChangeApplyCrest(Design design, EquipSlot slot, bool value)
+    {
+        if (!design.SetApplyCrest(slot, value))
+            return;
+
+        design.LastEdit = DateTimeOffset.UtcNow;
+        _saveService.QueueSave(design);
+        Glamourer.Log.Debug($"Set applying of crest visibility of {slot} equipment piece to {value}.");
+        _event.Invoke(DesignChanged.Type.ApplyCrest, design, slot);
+    }
+
     /// <summary> Change the bool value of one of the meta flags. </summary>
     public void ChangeMeta(Design design, ActorState.MetaIndex metaIndex, bool value)
     {
@@ -514,6 +539,9 @@ public class DesignManager
 
                 if (other.DoApplyStain(slot))
                     ChangeStain(design, slot, other.DesignData.Stain(slot));
+
+                if (other.DoApplyCrest(slot))
+                    ChangeCrest(design, slot, other.DesignData.Crest(slot));
             }
         }
 
@@ -528,6 +556,12 @@ public class DesignManager
 
         if (other.DoApplyStain(EquipSlot.OffHand))
             ChangeStain(design, EquipSlot.OffHand, other.DesignData.Stain(EquipSlot.OffHand));
+
+        if (other.DoApplyCrest(EquipSlot.MainHand))
+            ChangeCrest(design, EquipSlot.MainHand, other.DesignData.Crest(EquipSlot.MainHand));
+
+        if (other.DoApplyCrest(EquipSlot.OffHand))
+            ChangeCrest(design, EquipSlot.OffHand, other.DesignData.Crest(EquipSlot.OffHand));
     }
 
     public void UndoDesignChange(Design design)
diff --git a/Glamourer/Events/DesignChanged.cs b/Glamourer/Events/DesignChanged.cs
index 55956f0..c528fde 100644
--- a/Glamourer/Events/DesignChanged.cs
+++ b/Glamourer/Events/DesignChanged.cs
@@ -62,6 +62,9 @@ public sealed class DesignChanged : EventWrapper<Action<DesignChanged.Type, Desi
         /// <summary> An existing design had a stain changed. Data is the old stain id, the new stain id and the slot [(StainId, StainId, EquipSlot)]. </summary>
         Stain,
 
+        /// <summary> An existing design had a crest visibility changed. Data is the old crest visibility, the new crest visibility and the slot [(bool, bool, EquipSlot)]. </summary>
+        Crest,
+
         /// <summary> An existing design changed whether a specific customization is applied. Data is the type of customization [CustomizeIndex]. </summary>
         ApplyCustomize,
 
@@ -71,6 +74,9 @@ public sealed class DesignChanged : EventWrapper<Action<DesignChanged.Type, Desi
         /// <summary> An existing design changed whether a specific stain is applied. Data is the slot of the equipment [EquipSlot]. </summary>
         ApplyStain,
 
+        /// <summary> An existing design changed whether a specific crest visibility is applied. Data is the slot of the equipment [EquipSlot]. </summary>
+        ApplyCrest,
+
         /// <summary> An existing design changed its write protection status. Data is the new value [bool]. </summary>
         WriteProtection,
 
diff --git a/Glamourer/Events/StateChanged.cs b/Glamourer/Events/StateChanged.cs
index 2c5c5c8..e02a6d9 100644
--- a/Glamourer/Events/StateChanged.cs
+++ b/Glamourer/Events/StateChanged.cs
@@ -37,6 +37,9 @@ public sealed class StateChanged : EventWrapper<Action<StateChanged.Type, StateC
         /// <summary> A characters saved state had a stain changed. Data is the old stain id, the new stain id and the slot [(StainId, StainId, EquipSlot)]. </summary>
         Stain,
 
+        /// <summary> A characters saved state had a crest visibility changed. Data is the old crest visibility, the new crest visibility and the slot [(bool, bool, EquipSlot)]. </summary>
+        Crest,
+
         /// <summary> A characters saved state had a design applied. This means everything may have changed. Data is the applied design. [DesignBase] </summary>
         Design,