diff --git a/package.json b/package.json
index 6af1c09a..916df9b2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@editorjs/list",
-  "version": "1.6.2",
+  "version": "1.6.2-smb.1",
   "keywords": [
     "codex editor",
     "list",
diff --git a/src/index.js b/src/index.js
index 04ab8a18..3f652b08 100644
--- a/src/index.js
+++ b/src/index.js
@@ -110,7 +110,11 @@ class List {
 
     // fill with data
     if (this._data.items.length) {
-      this._data.items.forEach((item) => {
+      this._data.items.forEach((item, idx) => {
+        if (this.mergePoint !== undefined && this.mergePoint === idx) {
+          this._elements.wrapper.appendChild(this._make('span', 'cdx-shadow-caret'));
+          this.mergePoint = undefined;
+        }
         this._elements.wrapper.appendChild(this._make('li', this.CSS.item, {
           innerHTML: item,
         }));
@@ -388,6 +392,18 @@ class List {
     return this._data;
   }
 
+  merge(data) {
+    this.mergePoint = this.data.items.length;
+
+    this.data = {
+      ...this.data,
+      items: [
+        ...this.data.items,
+        ...data.items,
+      ],
+    };
+  }
+
   /**
    * Helper for making Elements with attributes
    *