Medium-action rods are the ideal all-around rods and what most anglers choose to use because they dont require you to have extensive fishing skills or experience to master
Personally, I always use fluorocarbon
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The only limitation of the Palomar knot is that you have to have a free end, so you cant use it on quite every part of your system, but I highly encourage you to use it a lot
Let's say you fly to Cancun to fish the Yucatan, carrying on your gear and a change of clothes just in case
Recently I did a trip with the doyen of offshore fishing, Ash Smith, who is renowned for being the most reliable charter offshore from Coffin Bay, for heavyweights like samson fish and kingfish