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The basic setup of the Carolina rig with its heavy weight (usually ranging in size from 1/2 to 1 ounce) and soft plastic lure trailing behind on a leader line is ideal for dragging quickly along structure to trigger strikes from bottom-hugging bass.
RE: Amberjack Setup? I use a Penn Torque 300, 80 lb PP with a bimini twist at the end, 50-80 lb fluoro leader tied to the bimini with an albright knot, mounted on a 7' Chaos T-80 jigging rod. Works well with jigs and also with carolina rigs...lots of backbone, lots of drag, lots of torque.