Pink hoochies, That's my guess with a shaved down foam earplug bullet loaded with scent and fished behind a diver. That's my guess.

Randy, though a great idea. A casting/spinning reel probably won't work due to different guide sizes. A spinning rod has a much larger first guide to funnel the line in and then they get progressivly smaller as you go on. Guides for casting rods are all about the same size with the First guide being largest but not disproportianly like on a spinning rod. However, I have seen people fishing casting rods on spinning reels. It just looks odd to me though.