diff --git a/.DS_Store b/.DS_Store
index 22176c4..97b2454 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/index.html b/index.html
index 66b07e6..14b874c 100644
--- a/index.html
+++ b/index.html
@@ -355,7 +355,7 @@ <h5 style="text-align: center;">1. Trotting</h5>
         <div class="center-content">
           <h5 style="text-align: center;">2. Bounding</h5>
           <div class="video-wrapper" style="text-align: center;">
-            <video autoplay muted loop playsinline controls src="./resources/real_world/bound.mp4" width="100%" style="border-radius:10px;"></video>
+            <video autoplay muted loop playsinline controls src="./resources/real_world/bound_c.m4v" width="100%" style="border-radius:10px;"></video>
           </div>
         </div>
 
diff --git a/resources/.DS_Store b/resources/.DS_Store
index 23501f8..19135ad 100644
Binary files a/resources/.DS_Store and b/resources/.DS_Store differ
diff --git a/resources/real_world/bound_c.m4v b/resources/real_world/bound_c.m4v
new file mode 100644
index 0000000..b942809
Binary files /dev/null and b/resources/real_world/bound_c.m4v differ