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Yes, and after you boil it. You need to smash it and then squeeze the water out until you have the powder. Then you use that to make bread on a flat iron.

You take the mashed casava into cloth and squeeze it. The drying part you should do after you cook it. By flat iron I mean something flat where you can spread the powder and cook it to form the bread. After it is cook, you'll need to dry it, so it keep its shape.

I knew I was forgetting something. Good thing you asked about the video. So this in Spanish, but she's showing every step bit by bit, so it won't be hard to follow.