Tie knots like the professional All-in-One tool for all your line tying needs Built-in heavy-duty clippers to cut excess line Become a nail knot master Avoid knot failure with this tool Keep hooks sharp with built-in sharpener Flyfishers must-have gear Equipped with D-ring to attach to a lanyard for easy access You won’t want to fish without it Tie your entire fly line with this tool Clean your eye holes with the built-in needle.