Thumping Sound for Long Range AttractionThe Heddon One Knocker Spook delivers a topwater sound that stands apart thanks to a single tungsten rattle housed in a sound intensifying chamber. That loud thump helps draw bass from long distances while the lure body design makes walking the dog easier than ever. Finished with Mustad Triple Grip hooks and a wide range of color patterns this bait is built to perform. Single tungsten rattle Sound intensifying chamber Loud thump attracts fish from distance Easier walking the dog action Equipped with Mustad Triple Grip hooks