The V-Single system is the most advance stabilization system which allows the archer to use the natural gravity, to gain superior stability and performance. AEP also designed a multi angle quick disconnect feature which also allows the archer to place on, remove off and put away the stabolizer bar with minimal time and effort. The index allows archers to properly set their system to the angle to their liking ensuring the system is set the same each use. Please make sure your bow is compatible with this product by reading the description below. If you are still unsure, please feel free to give us a call to better serve you.