Felt slipper how to

I want to knit some felt cloth (well knit a bit of cloth and then felt it) enough that I can cut it out and sew it into slippers. I have been looking all over the place and I cant seem to find a lot of advice on how to do this. (I want to be able to line it with some fleece so it will be extra warm and cosy) anyway, any ideas? I may just have to wing it…

Maybe Knitty’s article can help: