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The edge does look straightish, but the best test is to look straight down on the edge.

When you look at the side, you are looking for chips. When you look straight down on the edge you are...

There are preliminary non-destructive test, Thumb Pad Test, Arm Hair Test, and Visual test.

TPT takes time to learn,

AHT is not always conclusive many factor are involved and

Visual...

Yup… you stuffed a shave ready edge.

Most folks do not understand just how fragile a razor edge is.

Before you do anything else, get some magnification, you can buy a 60X lighted loupe for 2-3...