Sammal Cardigan - Cables without a needle (video)

I'm currently teaching a class at Hillsborough Yarn Shop working on Sammal by Joji Locatelli. The cardigan has two cable bands that run down the front of the sweater. 

One of my students suggested that I create a video showing how to work cables without using a cable needle. Here it is. Please let me know if it's helpful or provide any suggestions in the comments section of this blog.