When Zoom developed their Ultra Vibe tails they believed in the technology so much that they patented their design. It makes sense that the Ultra Vibe Chunks are one of the trailers used the most by bass anglers. Due to their slim shape and great tail action, the Ultra Vibe Chunks make excellent swimming jig trailers. When working jigs with the hopping technique, or if you are slow rolling a spinnerbait, put on an Ultra Vibe Chunk. If you need a trailer that will give good vibration then the Ultra Vibe Chunk is the way to go.0 lures.Specifications and Features: Use as Trailer on a Jig or Spinner Bait Flapping Legs create more action All Zoom Baits are Salt Impregnated to make fish hold on for that extra time to get you more hook ups.