No Name Knot for connecting leaders to mainline

The No Name Knot is a simple and strong knot to connect a mainline to a leader material. For example, connecting braid to a fluorocarbon leader. See all of the Sunline knot animations, sunlineamerica....

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I using Sunline Siglon PEx8 braid and Sunline fluorocarbon What knot do you recommend for joining braid and fluorocarbon in the following combinations: 35 lb braid and 30 lb fluo 20 ln braid and 18 lb fluo