crimp (v.)

1. To press or pinch into small regular folds or ridges.
2. To bend or mold (leather) into shape.
3. To cause (hair) to form tight curls or waves.
4. To have a hampering or obstructive effect on.

crimp (n.)

1. The act of crimping.
2. Something made by or as if by crimping, as:
   1. Hair that has been tightly curled or waved.
   2. A series of curls, as of wool fibers.
   3. A crease or bend.
3. An obstructing or hampering agent or force.