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Knife Blades 101

Flat ground
A straight line from the edge to the spine creates a wedge-shaped blade that offers a good
compromise between cutting ability and durability.

Hollow ground

A concave shape leaves the blade edge very thin, making it easier to sharpen (but less durable).

Chisel ground
Only ground on one side; it’s inexpensive and allows a folded blade to rest flush against a nonenclosed handle—without causing a safety hazard.

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