Testing for Sharpness
From Wicked Edge Wiki
Common Methods of Testing for Sharpness
A few common methods of testing for sharpness are:
Slicing newspaper
Slicing notebook paper
Shaving arm hair
Higher levels of sharpness can be tested by:
Push cutting newspaper
Push cutting toilet paper
The Hanging Hair Test
The Hanging Hair Test is commonly used by straight razor sharpeners to test their blades. It can also be used on knives.
A description can be found here: The Hanging Hair Test
