The Jenko Fishing TN River Tremor Head Bill Swimbait Jighead has long been known as the Cadillac of all vibrating jig heads. This jig features big and stout Mustad hooks and a specially formulated bill that gets maximum vibration and movement out of your lure. FeaturesMedium bill works best for a medium to fast retrieveLong bill works best for a slower retrieve rateMustad hooks Gives maximum vibration