It is most probably a combination of things, the steel, the honing, the straightness, the weight and width of the blade and you.

How a razor, the blade and or the scales fit you hand and how it all works for your skin and beard type.

What works best for you, may not for someone else.

Which is why we keep buying razors?

Recently watched a video of Don Fogg, where he said he once produced a knife with a very sharp edge and thought it was a perfect profile and edge. So he analyzed, measured and even made a casting of the edge profile and attempted to copy it.

The edges were good, until he created a better profile… with an even sharper edge.