If you want to get the tuna boiling at your transome you have to throw the meat and throw heavy. During a typical night one should expect to chunking 8-10 flats or about 250 pounds of butters or sardines. With that much bait to cut who wants to do each one by hand. Over the years we have tried every conceivable why to speed up this process and the best, hands down, is this double-handles knife by Dexter Russell. Hours have turned to minutes when it comes to chunking 10 flats of butters since we have starting deploying this knife.