I've been using a Palomar on all but braid (comes undone). We all know what a huge topic fluorocarbon line knots has become around the world. I tried to convert to other supposedly better knots, but came back to the Palomar on the Yo-Zuri Hybrid.
The Palomar is a strange but very strong and easy knot. It's so easy I can tie it with eyes closed once the doubled line is speared through the hook eye. I saw some microscope photos of the Palomar done right and wrong. When bringing the loop around the hook point the loop can twist so it forms a figure 8, sort of, which if left that way will cut into itself later. The base of the loop needs to look orderly or it's twisted wrong. Just look at it. Where the tag ends of the big loop meet the rest of the knot the lines need to lay flat, not crossed like a person crosses their legs.
Once the knot is ready for cinching down, wet it with saliva. Hold the lure, not the mainline. SLOWLY pull the loop part tight and don't let it draw down straddling the main knot. When it's tied right its easy to cinch down. If it's resisting cinching, it's crossed and will fail. Don't get in a hurry knotting fluorocarbon using any kind of knot, as sudden cinching generates enough heat to damage the line.
Give that a try. It'll all make more sense once you've played around with it.
Jim