diff --git a/api/src/main/java/net/momirealms/customfishing/api/mechanic/item/ItemManager.java b/api/src/main/java/net/momirealms/customfishing/api/mechanic/item/ItemManager.java
index b356dc37..1a0438b3 100644
--- a/api/src/main/java/net/momirealms/customfishing/api/mechanic/item/ItemManager.java
+++ b/api/src/main/java/net/momirealms/customfishing/api/mechanic/item/ItemManager.java
@@ -80,7 +80,7 @@ public interface ItemManager extends Reloadable {
     /**
      * Retrieves the item ID of the given item stack. If it's a vanilla item, the returned value would be capitalized for instance {@code PAPER}. If it's a CustomFishing
      * item, the returned value would be the ID for instance {@code beginner_rod}. If it's an item from other plugins, the returned value would be the
-     * id from that plugin for instance {@code itemsadder_namespace:id} / {@code oraxen_item_id}
+     * id from that plugin for instance {@code namespace:id} / {@code MythicSword}
      *
      * @param itemStack the {@link ItemStack} to be checked
      * @return the custom fishing item ID, or null if the item stack is not a custom fishing item
diff --git a/core/src/main/java/net/momirealms/customfishing/bukkit/item/BukkitItemManager.java b/core/src/main/java/net/momirealms/customfishing/bukkit/item/BukkitItemManager.java
index 99ea3db0..50055b17 100644
--- a/core/src/main/java/net/momirealms/customfishing/bukkit/item/BukkitItemManager.java
+++ b/core/src/main/java/net/momirealms/customfishing/bukkit/item/BukkitItemManager.java
@@ -325,7 +325,9 @@ public class BukkitItemManager implements ItemManager, Listener {
             plugin.debug("Another plugin modified the item from `PlayerItemDamageEvent` called by CustomFishing");
             return;
         }
-        if (!itemStack.getItemMeta().equals(previousMeta)) {
+
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        if (itemMeta == null || !itemMeta.equals(previousMeta)) {
             return;
         }
 
diff --git a/core/src/main/java/net/momirealms/customfishing/bukkit/requirement/BukkitRequirementManager.java b/core/src/main/java/net/momirealms/customfishing/bukkit/requirement/BukkitRequirementManager.java
index 9bd65535..f91d9e50 100644
--- a/core/src/main/java/net/momirealms/customfishing/bukkit/requirement/BukkitRequirementManager.java
+++ b/core/src/main/java/net/momirealms/customfishing/bukkit/requirement/BukkitRequirementManager.java
@@ -334,6 +334,27 @@ public class BukkitRequirementManager implements RequirementManager<Player> {
                 return Requirement.empty();
             }
         }, "item-in-hand");
+        registerRequirement((args, actions, runActions) -> {
+            if (args instanceof Section section) {
+                boolean mainOrOff = section.getString("hand","main").equalsIgnoreCase("main");
+                int amount = section.getInt("amount", 1);
+                List<String> items = ListUtils.toList(section.get("item"));
+                return context -> {
+                    ItemStack itemStack = mainOrOff ?
+                            context.holder().getInventory().getItemInMainHand()
+                            : context.holder().getInventory().getItemInOffHand();
+                    String id = plugin.getItemManager().getItemID(itemStack);
+                    if (!items.contains(id) || itemStack.getAmount() < amount) {
+                        return true;
+                    }
+                    if (runActions) ActionManager.trigger(context, actions);
+                    return false;
+                };
+            } else {
+                plugin.getPluginLogger().warn("Invalid value type: " + args.getClass().getSimpleName() + " found at !item-in-hand requirement which is expected be `Section`");
+                return Requirement.empty();
+            }
+        }, "!item-in-hand");
     }
 
     private void registerPluginLevelRequirement() {