The Mathews QAD UltraRest HDX keeps your arrow stabilized with technology QAD to optimize performance. Smart Rest Technology allows the blade to drop when the bow is fired, but also allow the blade to stay at full capture when the bow is let down. This arrow rest also includes total fletching clearance and full arrow containment to give you the best possible shot. Mathews Harmonic Damping removes excess vibration and noise to keep your focus and prevent your game from running off. The Mathews Mounting Bar allows this rest to tailor perfectly to your bow for the best possible performance.