shear lip

Then the Hind loomed over the sheared lip of the glacier.

Shear lip, 3 inches high.Tiny imperfection/nibble on inside of lip otherwise mint.

If the material breaks on a flat plane, the fracture was brittle, and if the material breaks with jagged edges or shear lips, then the fracture was ductile.

With the emergence of Muhammad Ali, no one would ever see the ring the same way again, nor even the fighters themselves; a TV go, a purse and a sheared lip would never be enough; and a title was just a belt unless you did something with it.