Originally Posted by conchydong
If it is what I am thinking of, they were used typically for pier fishing. You take a appropriate size sinker and tie it on to your main line and cast it out as far as you can. You than take your leader with live bait and tie it to the ringed side of a snap swivel and clip the snap over your main line and let the rig "slide" down the main line.
This allows you to generally cast out further than if you were trying to cast the bait only. the bait will generally swim toward the sinker.
Someone else may know of a different rig but that is the one I am thinking of.
That's the rig thats popular off florida piers. In NC, we use a 2 rod rig. One rod is the anchor rod, where we sling out a big spider weight as far as you can. The second rod is the fighting rod, and this is attached to the anchor rod via a clothespin, so that when you have a fish hit, you can give a jerk and the line pops free of the anchor rod