1. WITH YOUR HANDS
This is probably the most intuitive method because all you need for it are your bare hands.
It’s definitely the one to use after you’ve laid the wool, and applied water and soap. You start by pressing the wool layers to get the air out of the fibers, and then you rub and massage gently, to get the fibers to migrate and slowly connect to each other.
It’s generally a good idea not to work directly on the wool in this phase, to avoid the fibers from moving. Instead, you should lay a piece of tulle, net or a plastic on the wool, to keep the fibers in place.
Image from “Filzen – Alte Tradition, modernes Handwerk”, Gunilla Paetau Sjöberg
If you’re working on a small piece it probably doesn’t make much sense to use the rolling method, so you might do the entire piece using only your hands. In this case, just rubbing and massaging might still take too long, so a great alternative is to knead...