Yum Tube Bass Bait. Proprietary attractant includes a blend of enzymes and natural attractants to trigger a feeding response. Researched and tested by the most powerful professionals and anglers in the wold. Leading edge technology gives you an unfair advantage by attracting more fish. Recommended to use with 4/0 offset hook. Perfect for flippin’ and pitchin’ for largemouth and dragging/swimming for smallmouth bass.