The "Feeding Frenzy" Feeding Prong is an excellent tool for close-up feeding of Lionfish, Groupers, Oscars and other predators. Simply skewer Silversides, feeders, or Krill with this "invisible" acrylic prong and use a "wiggle-action" to trigger the feeding response. Best Used For: Feeding carnivorous fish by attaching skewer Silversides, Krill, chunks of squid, etc. for feeding of predators.