• noun:   A person or thing that grips something.
• noun:   A cover on the handle of a bicycle, tool, etc, that makes it easier to grip.
• noun:   (curling) A rubber or other material attached to a curling shoe to improve traction on the ice.
• noun:   (rail transport, slang) A ticket collector.
• noun:   (graphical user interface) A visual component on a window etc. enabling it to be resized and/or moved.

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