A person or thing that grips something.

A cover on the handle of a bicycle, tool, etc, that makes it easier to grip.

(curling) A rubber or other material attached to a curling shoe to improve traction on the ice.

(rail transport, slang) A ticket collector.

(graphical user interface) A visual component on a window etc. enabling it to be resized and/or moved.

(slang) A foot.