The PR Bobbin Knot appears, at first look, more complicated than it proves to be. Once you have the steps down it is a relatively simple connection that casts well, passes through the rod guides easily, and maintains 100 percent of the main line strength when connecting light braid to fluoro leader, and 99.5 percent when connecting heavy braid to fluoro leader.
Below is an animated video showing each step of tying this knot.
