Blocking a felt cone onto a 5 piece beret block is hard work as you need to expand it to outer rim them shape back into the collar/headsize. No one wants carpel tunnel for overworking our wrists. Commercially they use male/female blocking with intense steam It is so quick & an imported beret costs AU$30- no milliner can compete. Making berets from flat patterns using straw cloth with machine stitching designs was popular in the 60s.