The newShimano Sephia Clinch Flash Boost Rattle is a highly advancedEGI that combines visual and audible attraction to create maximum attraction, especially in low light and dirty water conditions. Integrating Shimano's market leading Flash Boost technology with Scale Boost technology and an advancedRattle Chamber, theSephia Flash Boost Rattle Egi range produces maximum attraction in a wide range of light and water conditions. The patentedFlash Boost system uses a reflective mirror suspended from micro springs, which uses light andUV rays to attract cephalopods throughout the water column. This attraction is further enhanced by the inclusion of the realisticScale Boost finish and aRattle chamber that emits sounds at the slightest movement. The result is a lure that will give you maximum performance in any condition.