What's the best method of attaching a fluorocarbon leader to Fireline? I'm using 10 pound Fireline with a 8 pound pure-fluoro six foot leader and have been joining the two together with a pair of uni-knots. Twice so far I've had the Fluoro leader break at the knot. I really don't want any hardware (swivels, etc.) between the two, as this will make it tough to cast. My uni-knots look textbook perfect and I tie them wet. Any other ideas? Really like the feel of the Fireline and don't want to give that up.