The Hayabusa Super Swivel is a swivel designed for rigs that transfer rotation to the line. It creates a rotating connection between its two attachment points to minimize line twist, whether in freshwater or saltwater.
When a lure or rig twists during retrieval, that twisting motion can be transferred to the line. The Super Swivel inserts a movable joint between the line components to minimize twisting.
The choice of swivel depends on both its size and the strength required for the rig. A connection designed for heavy-duty saltwater fishing does not meet the same needs as a small rig for freshwater predators: the strength rating specified for each variant allows you to choose based on more than just the size number.