diff --git a/docs/development/03biomaterial.md b/docs/development/03biomaterial.md
index aa8c42ec9f5d1d8463875d81ffb9d48cf2539330..40b2dc7aa3101b8e23f42d8179c162adf7bdbd65 100644
--- a/docs/development/03biomaterial.md
+++ b/docs/development/03biomaterial.md
@@ -13,6 +13,7 @@
 
 <iframe width="1000" height="400" src="https://www.youtube.com/embed/FOb34_s-K1M?si=StuFGYUIwErOo7P9" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
+
 **MATERIALS NEEDES**: 
  
 
@@ -23,4 +24,8 @@
    4. A container large enough for your mold and deckle
    5. Sponge
    6. Cloth or felt
-   7.Heavy books or a press
\ No newline at end of file
+   7. Heavy books or a press
+
+**In this video, Cory Morrison demonstrates how to make a mold and deckle with photo frames.**
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/3jSq1YfvBjM?si=NNRPv56aJ-TnvT20" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
\ No newline at end of file