What is the purpose of a cleat on a vessel?

A cleat on a vessel serves the important function of fastening a rope securely. It is typically a metal or plastic fitting with two horns (or posts) that allows a line to be tied off to secure the boat in place. When mooring or docking, lines can be looped around the cleat to prevent the vessel from drifting away or to hold it in a desired position.

Understanding the role of a cleat is crucial for boaters, as it supports safe mooring practices and the management of lines during various operations, such as when loading or unloading. The design of cleats also enables quick release of the line when there is a need to move away from the dock or to adjust the tension on the line.

The other options presented do not accurately describe the function of a cleat, as they refer to different aspects of a vessel's operation or structure without connecting to the specific role of the cleat in securing lines.