A fillet knife is a specialized kitchen tool designed for filleting fish and other delicate meats. It features a long, thin, and flexible blade that allows for precise cuts along the bones and skin, making it easier to separate the flesh from the skeleton. The blade's flexibility helps navigate the contours of the fish, ensuring minimal waste. Typically, fillet knives have a comfortable handle for a secure grip, which is essential for maintaining control during the filleting process. They are often made from stainless steel to resist corrosion, especially when used in wet environments like kitchens or on fishing trips.