My casting harnesses are about 18" with a #4 or #3 Colorado gold blade, 5 beads down to a #4 hook.

Bottom bouncers out the back drift side (IMO) catch the most fish. All I do for those is the same set up as mentioned above, but tie a small treble hook stinger in addition to the #4 hook. 3 or 4 oz banana weight, drop to the bottom, 3-4 cranks up depending on the marks.