Our custom rigging is the best in the business. For those who do not use a wind-on leader system, the "shark leash" is designed to be an extra section of chafe protection between the wire shark rig and your main line. For sharks that jump a lot, and might roll up in the leader, this chafe resistance can be extremely helpful. We offer these with either a ball bearing swivel (for haywire twisting your shark rig onto), or a snap swivel (for clipping a pre-made shark rig onto). We also sell these in a cable variety as well.