The Fisherman's Knot is a reliable knot used primarily in fishing to join two lines together, especially when connecting a fishing line to a hook or lure. It is known for its strength and simplicity, making it a popular choice among anglers. The knot is created by tying two overhand knots around each other, which allows for a secure connection that can withstand the tension of a fish pulling on the line. This knot is particularly useful for tying lines of different diameters, such as when connecting a thicker main line to a thinner leader line. It is also sometimes referred to as the Grinner Knot or Double Fisherman's Knot. Mastering the Fisherman's Knot can enhance fishing success and improve overall tackle performance.