Thread: Double bevel by only adding one layer of tape (instead of two)

The secondary bevel focuses the primary bevel. Straight razors are one primary bevel, 17 degrees. Most other knives have both. Reason that most other knives have both is so you can vary the angle of the primary bevel to adjust the aggressiveness of the cut. Tomatoes cut differently than steak and steak cuts differently than chicken.

By putting a secondary bevel on a razor it will allow you focus and adjust that angle so that the edge is "sharper" than it would be with just a primary bevel only.

JM2C