SPIRON is a flat shaped worm which has a spiral fall.The flat body is designed to mimic bluegill. It wiggles its tail and will entice fish into striking.It can be rigged on a Jika style, Texas style, No sinker style, or Carolina style. S.A.F material is used in making SPIRON It is a Geecrack original material for worms. The scent and taste of the material will cause the fish to hold the lure in its mouth longer.