More to explore:
Felt hat tutorial
Felt hat making
Basic Hat Making Tools
basic template felting technique-- Ooh, I've been dying to know how to make hats properly!
MAKING A REPRODUCTION HAT FROM 1928 hat
Making a felt hat
Making a hat...
Hat Shapers, affordable plastic hat blocks for hand felters
Hat Making Tutorials fosshape
Making felt hats - extraordinary tutorial with slightly spooky finished examples...........
Vintage hat making instructions!
Making a felt hat great directions! I wish that forms weren't so darn expensive.
DSC_8707 by DanishDesign, via Flickr