Double fisherman's knot

Nudo de pescador doble The double fisherman's knot is really strong and is commonly used by fishermen to ensure their cords. I also used the climbers and campers as winds of their stores or to add length to the ropes for tying or hanging objects. Is a bulky knot, so it is advisable to use relatively thin rope.

Climbers usually whips Taping knot to prevent them from rubbing against the edges of the rocks and reduce the risk of loosening the knot. It is also known by the name of "the grapevine knot".