part of a shoe in the form of a stiff rib or bar running between the heel and ball of the foot under the insole
Shanks:
-
prevent collapse of the shoe into negative space between heel and ball
-
support the foot when standing on the rungs of ladders or other narrow surfaces
Materials
- Wood
- Steel, often wrapped in fabric tape or other porous material to help gluing in place
- Fiberglass
- Carbon Fiber