These teaser birds raise fish from the depths by creating a commotion on the surface while trolling and are a must if you want to raise big palagic species. These teasers birds can be used in a variety of trolling applications. Use them as a daisy chain, on a spreader bar, single teaser and much more! The effect that these teasers have on tuna is unmatched to any other bird style on the market. When it comes to billfish, the more comotion you have in your spread, the more likely the fish will come into your spread.