The H2O Tackle Bucktail series feature the patented Switch clevis. The Switch clevis is the only clevis in the world that auto counter rotates. It rotates one revolution clockwise and then switches to rotate one revolution counter-clockwise. Using a small screwdriver, you can easily switch the blades. Run with one blade or two, blades of the same size/type or different sizes/shapes. The only requirement is that you use at least one high-lift blade on the long arm side of the clevis. Enjoy this video comparing the noise H2O Tackle bucktails make compared to other bucktails!