diff --git a/content/tutorials/tutorials.md b/content/tutorials/tutorials.md
index c502b76..a362bcf 100644
--- a/content/tutorials/tutorials.md
+++ b/content/tutorials/tutorials.md
@@ -111,11 +111,21 @@ With the help of _Align and distribute objects._
 <video src="{{ site.url }}/videos/fontra-pointer-tool-demo.mp4" controls="controls" style="width: 100%; max-width: 600px">
 </video>
 
+## **Variability:** Adding a Weight axis and making a Bold glyph
+
+<video src="{{ site.url }}/videos/fontra-weight-axis-demo.mp4" controls="controls" style="width: 100%; max-width: 600px">
+</video>
+
 ## **Alternate Glyphs** and writing OpenType Feature code
 
 <video src="{{ site.url }}/videos/Fontra-alternate-glyphs-and-opentype-feature-coding.mp4" controls="controls" style="width: 100%; max-width: 600px">
 </video>
 
+## **Contextual Alternate Glyph** and writing OpenType Feature code
+
+<video src="{{ site.url }}/videos/fontra-calt-demo.mp4" controls="controls" style="width: 100%; max-width: 600px">
+</video>
+
 ## General **Multi-source** editing introduction
 
 <video src="{{ site.url }}/videos/Fontra-multi-source-editing-2.mp4" controls="controls" style="width: 100%; max-width: 600px">
diff --git a/videos/fontra-calt-demo.mp4 b/videos/fontra-calt-demo.mp4
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diff --git a/videos/fontra-weight-axis-demo.mp4 b/videos/fontra-weight-axis-demo.mp4
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