Believe it or not, you are more likely to hurt yourself or others with a dull knife. Not only are sharp knives better to cut with, they are much safer to use. When you are fishing, the fillet knife is one of your most important instruments. In this tutorial, you will learn how to sharpen your knife on the go and keep your instrument in tip top shape. In order to sharpen a fillet knife, place the blade of the knife in the "V" of an Accusharp tool before following the blade off the table. In this video you will learn how to visually inspect a fillet knife to see if it's sharp enough with help from the owner of a tackle shop in this instructional clip on sharpening fillet knives.