I saw this the other day on How its Made, but as I am in britian, the voice was a lackadaisical northern bloke not the lady as on this. I found it quite informative.
[VIDEO=youtube;g2rlUSCJwWA]https://www.youtube.com/watch?v=g2rlUSCJwWA&app=desktop[/VIDEO]
Other than it didnt explain how the tempering is done on a cryo knife, it seems pretty comprehensive.
The knives featured seem to be well regarded
http://www.amazon.com/gp/aw/d/B004N...0&keywords=dexter+russell+knife+sani+safe
[VIDEO=youtube;g2rlUSCJwWA]https://www.youtube.com/watch?v=g2rlUSCJwWA&app=desktop[/VIDEO]
Other than it didnt explain how the tempering is done on a cryo knife, it seems pretty comprehensive.
The knives featured seem to be well regarded
http://www.amazon.com/gp/aw/d/B004N...0&keywords=dexter+russell+knife+sani+safe