Rapfix Flipper. This allows for a two-action release without pressing the "safety button" on the RAPFIX2. The "safety position" is set so that it does not release easily by accidental operation. It can be easily installed with the included C-ring and external thumbscrews. Application: To use this product, the "Ball Lock System RAPFIX2" is required. When you fit this product, there will be some scratches and marks left on the "sleeve" of RAPFIX2. *By request/order.