The bird should be attached to the snap swivel of your leader, then approximately 12-15 feet of leader should be attached to your to your rolling lure

They add noise and water splashing to simulate birds and bait fish erupting on the surface.   

• Raise fish with the incredible action of the BOONE BIRD
• Constructed of urethane foam to prevent absorbing water
• Stainless steel thru wire construction for strength
• Rigged version comes with 200 lb mono, crimps, snap swivel
• Mesh bag included