diff --git a/docs/tutorials/custom_item.md b/docs/tutorials/custom_item.md
new file mode 100644
index 0000000..fe14988
--- /dev/null
+++ b/docs/tutorials/custom_item.md
@@ -0,0 +1,127 @@
+## Custom Item Tutorial with ModAPI
+This tutorial will cover making custom items with ModAPI. It is recommended that you follow the [custom block tutorial](custom_block.md) first, as this tutorial is more fast-paced. The custom item we'll be adding will set the player's velocity to a random value when used, to demonstrate how methods can be overridden.
+
+We'll begin with a constant item texture encoded into a data URI, as well as some metadata.
+```javascript
+(function CustomItemMod() {
+    const itemTexture = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAKZJREFUOE9j/P//PxMDBIBoEP6HREOl4PLIciA2AyPIgMcM//7KgvWSDJjBBpx9/+YvJzc3Sbq12DhB6sEGsJ19/+YnmQawYhigzc7FcPXnN4KugbqAHWQAy9n3b34T4wJkw6EGYLqAoNVQBWS5ANlwZBfAvUCs/0EGkW0AzBKqGoCSDgh5A80F2KMRpAgfAKUT6kcjsfEPUycmKMQgy8AETkgUZWcAS3CPIf4oSPsAAAAASUVORK5CYII=";
+
+    ModAPI.meta.title("Custom Item Mod");
+    ModAPI.meta.icon(itemTexture);
+    ModAPI.meta.description("it's a custom item. what more do you want");
+    ModAPI.meta.credits("By <author_name>");
+})();
+```
+
+Add a function that will contain the code to register the item called `CustomItem`. Inside it we'll do something really similar to the custom blocks tutorial, where we'll define a custom item class, and then register it (or, if on the server, wait until the `bootstrap` event fires). The reason it's contained in a function is to make the job of running the same code on the server and client easier.
+
+```javascript
+(function CustomItemMod() {
+    //...
+
+    function CustomItem() {
+        var creativeMiscTab = ModAPI.reflect.getClassById("net.minecraft.creativetab.CreativeTabs").staticVariables.tabMisc; //chuck it in the miscellaneous category ig
+        var itemClass = ModAPI.reflect.getClassById("net.minecraft.item.Item"); //Get the item class
+        var itemSuper = ModAPI.reflect.getSuper(itemClass, (x) => x.length === 1); //Get the super() function of the item class that has a length of 1
+        function CustomItem() {
+            itemSuper(this); //Use super function to get block properties on this class.
+            this.$setCreativeTab(creativeMiscTab); //Set the creative tab of the item to be the misc tab
+        }
+        ModAPI.reflect.prototypeStack(itemClass, CustomItem); // ModAPI equivalent of `extends` in java
+        CustomItem.prototype.$onItemRightClick = function ($itemstack, $world, $player) { //example of how to override a method
+            //use ModAPI.util.wrap to create a proxy of the player and the world without $ prefixes on the properties and methods
+            var player = ModAPI.util.wrap($player);
+            var world = ModAPI.util.wrap($world);
+
+            if (!world.isRemote) { //If we are on the server
+                // Math.random() returns a number from 0.0 to 1.0, so we subtract 0.5 and then multiply by 2 to make it become -1.0 to 1.0 instead
+                player.motionX += (Math.random() - 0.5) * 3;
+                player.motionZ += (Math.random() - 0.5) * 3;
+
+                player.motionY += Math.random() * 1.5; // gravity is a thing, so no negative numbers here otherwise it'll be boring
+            }
+            
+            return $itemstack;
+        }
+
+        // Internal registration function. This will be used to actually register the item on both the client and the server.
+        function internal_reg() {
+            // Construct an instance of the CustomItem, and set it's unlocalized name (translation id)
+            var custom_item = (new CustomItem()).$setUnlocalizedName(
+                ModAPI.util.str("custom_item")
+            );
+            //Register it using ModAPI.keygen() to get the item id.
+            itemClass.staticMethods.registerItem.method(ModAPI.keygen.item("custom_item"), ModAPI.util.str("custom_item"), custom_item);
+
+            //Expose it to ModAPI
+            ModAPI.items["custom_item"] = custom_item;
+            
+            //return the instance.
+            return custom_item;
+        }
+
+        //if the item global exists (and it will on the client), register the item and return the registered instance.
+        if (ModAPI.items) {
+            return internal_reg();
+        } else {
+            //Otherwise attatch the registration method to the bootstrap method.
+            ModAPI.addEventListener("bootstrap", internal_reg);
+        }
+    }
+})();
+```
+
+Now let's run the `CustomItem` function on the server and the client, and then use [AsyncSink](../../examplemods/AsyncSink.js) to create an in-memory resource pack to load item textures and models!
+```javascript
+(function CustomItemMod() {
+    const itemTexture = "...";
+
+    ModAPI.meta.title("Custom Item Mod");
+    ModAPI.meta.icon(itemTexture);
+    ModAPI.meta.description("it's a custom item. what more do you want");
+    ModAPI.meta.credits("By <author_name>");
+
+    function CustomItem() {
+        // ...
+    }
+
+    // Run the function when the dedicated server loads.
+    ModAPI.dedicatedServer.appendCode(CustomItem); 
+
+    // Run the function on the client
+    var custom_item = CustomItem();
+
+    ModAPI.addEventListener("lib:asyncsink", async () => {
+        ModAPI.addEventListener("custom:asyncsink_reloaded", ()=>{
+            ModAPI.mc.renderItem.registerItem(custom_item, ModAPI.util.str("custom_item"));
+        });
+        AsyncSink.L10N.set("item.custom_item.name", "Cool Custom Item");
+        AsyncSink.setFile("resourcepacks/AsyncSinkLib/assets/minecraft/models/item/custom_item.json", JSON.stringify(
+            {
+                "parent": "builtin/generated",
+                "textures": {
+                    "layer0": "items/custom_item"
+                },
+                "display": {
+                    "thirdperson": {
+                        "rotation": [ -90, 0, 0 ],
+                        "translation": [ 0, 1, -3 ],
+                        "scale": [ 0.55, 0.55, 0.55 ]
+                    },
+                    "firstperson": {
+                        "rotation": [ 0, -135, 25 ],
+                        "translation": [ 0, 4, 2 ],
+                        "scale": [ 1.7, 1.7, 1.7 ]
+                    }
+                }
+            }
+        ));
+        AsyncSink.setFile("resourcepacks/AsyncSinkLib/assets/minecraft/textures/items/custom_item.png", await (await fetch(
+            itemTexture
+        )).arrayBuffer());
+    });
+})();
+```
+
+That's it! Upload your completed mod, run `.reload_tex` in chat in a singleplayer world and use your new item!\
+[completed mod]()
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diff --git a/docs/tutorials/index.md b/docs/tutorials/index.md
index ced90a0..55b24fb 100644
--- a/docs/tutorials/index.md
+++ b/docs/tutorials/index.md
@@ -34,5 +34,5 @@ Prerequisites:
 
 Tutorials:
 - [Custom Blocks](custom_block.md)
-- [Custom Items](comingsoon.md)
+- [Custom Items](custom_item.md)
 - [Timescale Command](comingsoon.md)
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diff --git a/examplemods/Tutorial_Custom_Item.js b/examplemods/Tutorial_Custom_Item.js
new file mode 100644
index 0000000..9c4106b
--- /dev/null
+++ b/examplemods/Tutorial_Custom_Item.js
@@ -0,0 +1,94 @@
+(function CustomItemMod() {
+    const itemTexture = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAKZJREFUOE9j/P//PxMDBIBoEP6HREOl4PLIciA2AyPIgMcM//7KgvWSDJjBBpx9/+YvJzc3Sbq12DhB6sEGsJ19/+YnmQawYhigzc7FcPXnN4KugbqAHWQAy9n3b34T4wJkw6EGYLqAoNVQBWS5ANlwZBfAvUCs/0EGkW0AzBKqGoCSDgh5A80F2KMRpAgfAKUT6kcjsfEPUycmKMQgy8AETkgUZWcAS3CPIf4oSPsAAAAASUVORK5CYII=";
+
+    ModAPI.meta.title("Custom Item Mod");
+    ModAPI.meta.icon(itemTexture);
+    ModAPI.meta.description("it's a custom item. what more do you want");
+    ModAPI.meta.credits("By <author_name>");
+
+    function CustomItem() {
+        var creativeMiscTab = ModAPI.reflect.getClassById("net.minecraft.creativetab.CreativeTabs").staticVariables.tabMisc; //chuck it in the miscellaneous category ig
+        var itemClass = ModAPI.reflect.getClassById("net.minecraft.item.Item"); //Get the item class
+        var itemSuper = ModAPI.reflect.getSuper(itemClass, (x) => x.length === 1); //Get the super() function of the item class that has a length of 1
+        function CustomItem() {
+            itemSuper(this); //Use super function to get block properties on this class.
+            this.$setCreativeTab(creativeMiscTab); //Set the creative tab of the item to be the misc tab
+        }
+        ModAPI.reflect.prototypeStack(itemClass, CustomItem); // ModAPI equivalent of `extends` in java
+        CustomItem.prototype.$onItemRightClick = function ($itemstack, $world, $player) { //example of how to override a method
+            //use ModAPI.util.wrap to create a proxy of the player and the world without $ prefixes on the properties and methods
+            var player = ModAPI.util.wrap($player);
+            var world = ModAPI.util.wrap($world);
+
+            if (!world.isRemote) { //If we are on the server
+                // Math.random() returns a number from 0.0 to 1.0, so we subtract 0.5 and then multiply by 2 to make it become -1.0 to 1.0 instead
+                player.motionX += (Math.random() - 0.5) * 3;
+                player.motionZ += (Math.random() - 0.5) * 3;
+
+                player.motionY += Math.random() * 1.5; // gravity is a thing, so no negative numbers here otherwise it'll be boring
+            }
+
+            return $itemstack;
+        }
+
+        // Internal registration function. This will be used to actually register the item on both the client and the server.
+        function internal_reg() {
+            // Construct an instance of the CustomItem, and set it's unlocalized name (translation id)
+            var custom_item = (new CustomItem()).$setUnlocalizedName(
+                ModAPI.util.str("custom_item")
+            );
+            //Register it using ModAPI.keygen() to get the item id.
+            itemClass.staticMethods.registerItem.method(ModAPI.keygen.item("custom_item"), ModAPI.util.str("custom_item"), custom_item);
+
+            //Expose it to ModAPI
+            ModAPI.items["custom_item"] = custom_item;
+            
+            //return the instance.
+            return custom_item;
+        }
+
+        //if the item global exists (and it will on the client), register the item and return the registered instance.
+        if (ModAPI.items) {
+            return internal_reg();
+        } else {
+            //Otherwise attatch the registration method to the bootstrap method.
+            ModAPI.addEventListener("bootstrap", internal_reg);
+        }
+    }
+
+    // Run the function when the dedicated server loads.
+    ModAPI.dedicatedServer.appendCode(CustomItem); 
+
+    // Run the function on the client
+    var custom_item = CustomItem();
+
+    ModAPI.addEventListener("lib:asyncsink", async () => {
+        ModAPI.addEventListener("custom:asyncsink_reloaded", ()=>{
+            ModAPI.mc.renderItem.registerItem(custom_item, ModAPI.util.str("custom_item"));
+        });
+        AsyncSink.L10N.set("item.custom_item.name", "Cool Custom Item");
+        AsyncSink.setFile("resourcepacks/AsyncSinkLib/assets/minecraft/models/item/custom_item.json", JSON.stringify(
+            {
+                "parent": "builtin/generated",
+                "textures": {
+                    "layer0": "items/custom_item"
+                },
+                "display": {
+                    "thirdperson": {
+                        "rotation": [ -90, 0, 0 ],
+                        "translation": [ 0, 1, -3 ],
+                        "scale": [ 0.55, 0.55, 0.55 ]
+                    },
+                    "firstperson": {
+                        "rotation": [ 0, -135, 25 ],
+                        "translation": [ 0, 4, 2 ],
+                        "scale": [ 1.7, 1.7, 1.7 ]
+                    }
+                }
+            }
+        ));
+        AsyncSink.setFile("resourcepacks/AsyncSinkLib/assets/minecraft/textures/items/custom_item.png", await (await fetch(
+            itemTexture
+        )).arrayBuffer());
+    });
+})();
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