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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.
Yet, they are fishing, and there is a difference between fishing and catching! Hopefully one results in the other. The Carolina rig is simply this. A hook attached to a 12-36 inch leader + a barrel swivel + a heavy sliding sinker on the line.