In my wet felting-starter video, I showed you how to make felt fabric from wool step by step. There are many videos on our channel on wet felt making, wet felt materials, wet felt technique, wet felting, how to make wet felt, felting, felt art, how to make felt art.
Also, if you want to know what wool is, why wool is felted, what are the factors affecting the felting process, you can watch the following videos:
https://youtu.be/g7VwksogHuk
https://youtu.be/nMijred90RU