Harvesting fish is a valuable component in fishing, and using a cordless electric fillet knife only makes the final process easier at the end of a long day on the water. Over the years, I’ve used a lot of electric fillet knives to clean fish. Although there are several quality electric fillet knife options on the market today, I rely specifically on two that I would recommend to anyone.Here Jeff Simpson offers up some tips for filleting walleyes with a Bubba Lithium Ion Cordless Fillet Knife.