The butterfly knot is widely considered to be one of the sturdiest and most reliable loop knots. Because of its strength, its security, and the ease with which it may be tied, the butterfly knot is relied on heavily in all sorts of complicated and exciting rope rescue procedures. This knot is used to create a solid loop in the middle of any length of rope and can be tied even when either or both ends of the rope are not accessible. The butterfly knot has the ability to be adjusted in many different directions and will not distort. It can also be used to segregate a frayed or injured section...
