What is the best way to repair minimal damage to the gaff?

Using a honing stone is an effective method for repairing minimal damage to a gaff because honing stones are designed to refine and sharpen the edges of tools. They work well for removing small imperfections and burrs, allowing you to restore the original edge without significantly altering the shape of the gaff.

Honing stones typically provide a fine surface that can help bring back sharpness and smoothness to cutting edges, making them ideal for minor touch-ups. This process not only enhances the function of the gaff but also prolongs its life by maintaining the integrity of the material.

The other options, while useful for different types of material removal or sharpening tasks, may not be appropriate for the subtle nature of gaff repair. A half round file, for instance, may be too aggressive and could alter the shape or thickness of the gaff, while various cut files could remove too much material or create uneven surfaces. Therefore, choosing a honing stone for minimal repairs is the most suitable approach.