Rugged Our aluminumencased Whisker Biscuits are 300% stronger than previous models. And, we've added a rocksolid, dualbolt mount and a set screw for even more secure, "lockeddown" mounting. Set Screw on Sure Shot Pro and Sure Shot models only. Easy to set up The Whisker Biscuit's design makes setup easier than ever before. Attach the Whisker Biscuit to your riser mounting holes and it automatically lines up the arrow rest. And most models are designed for use with left and right hand bows. Compact Its lightweight, compact design provides maximum clearance around quivered arrows. Features Windage and elevation adjustment Compositeencased biscuit 150% stronger than previous models Reference marks Custom rubber boots silence arrow loading Designed for use with left and right hand bows