Serious answer: Dan's heat treat is a tried and true method involving heating the blades using only ashes from the finest cigars. Similar to Busse Combat knives, they are then slowly cooled using a special whiskey to which only the busse family knows how to make.


Really serious answer: The first word in your subject answers your question. It is proprietary and kept under close guard. Very little is known about it, other than that it is a slow process and does involve cryo quenching.

The really important things is that the blades are all performance and no hype!