diff --git a/enums.js b/enums.js
index 4814dba..4458681 100644
--- a/enums.js
+++ b/enums.js
@@ -83,3 +83,12 @@ TeamFortress2.HeavyVsPyroWarSide = {
 	Heavy: 0,
 	Pyro: 1
 };
+
+TeamFortress2.Attributes = {
+    Paint: 1031,
+    CustomTexture: 1051,
+    MakersMark: 1053,
+    Killstreak: 1094,
+    GiftedBy: 2570,
+    Festivizer: 2572
+}
\ No newline at end of file
diff --git a/index.js b/index.js
index c85171e..94ab68b 100644
--- a/index.js
+++ b/index.js
@@ -246,6 +246,30 @@ TeamFortress2.prototype.useItem = function(item) {
 	this._send(Language.UseItemRequest, Schema.CMsgUseItem, {"item_id": item});
 };
 
+TeamFortress2.prototype.tradeUP = function (items) {
+    this._send(Language.CraftCollectionUpgrade, Schema.CMsgCraftCollectionUpgrade, {
+        "item_id": items
+    });
+};
+
+TeamFortress2.prototype.removeItemAttribute = function (item, attribute) {
+    this._send(attribute, Schema.CMsgGCRemoveCustomizationAttributeSimple, { "item_id": item });
+};
+
+TeamFortress2.prototype.applyStrangePart = function (item, part) {
+    this._send(Language.ApplyStrangePart, Schema.CMsgApplyStrangePart, {
+        "strange_part_item_id": part,
+        "item_item_id": item
+    });
+};
+
+TeamFortress2.prototype.applyStrangifier = function (item, strangifier) {
+    this._send(Language.ApplyXifier, Schema.CMsgGCCollectItem, {
+        "collection_item_id": strangifier,
+        "subject_item_id": item
+    });
+};
+
 TeamFortress2.prototype.sortBackpack = function(sortType) {
 	this._send(Language.SortItems, Schema.CMsgSortItems, {"sort_type": sortType});
 };
diff --git a/language.js b/language.js
index 984c7a1..7770ea3 100644
--- a/language.js
+++ b/language.js
@@ -162,7 +162,10 @@ module.exports = {
 	GCToGCGetUserServerMembersResponse: 2544,
 	GCToGCGrantSelfMadeItemToAccount: 2555,
 	GCToGCThankedByNewUser: 2556,
-	ShuffleCrateContents: 2557,
+    ShuffleCrateContents: 2557,
+    CraftCollectionUpgrade: 2567,
+    RemoveItemGiftedBy: 2570,
+    RemoveItemFestivizer: 2572,
 
 	// EGCBaseClientMsg
 	PingRequest: 3001,