A frozen block of Iguana Chum in a chum bag attracts a great variety of fish. Everything from kingfish, snappers, and groupers react to it. Fish can smell chum from a great distance and will come to investigate. The presence of chum in the water will put many species in a feeding frenzy, which you can take advantage of.
The point of any kind of chumming is to get the attention of those elusive fish and bring them to the boat. Chumming techniques are easy to do and can certainly help you fill your cooler. Iguana Chum can be one of your best weapons to load up that cooler.