fire hardening wood, can it be used to create a bladed edge?

I do some tests and talk about the capabilities of fire hardening. Many people say it can be used to create an edge....but can it? ------------------------------------------------------------- Website: http://www.cutmarks.co.uk/ Facebook:   / cut.marks   Pintrest:   / cutmarks   Instagram:   / cutmarks   Twitter:   / customcutmarks   Tumblr:   / cutmarks   Email: [email protected]