Sims Vibration Labs AlphaShox LimbSavers. Designed specifically for maximum performance on all existing and NEW 2005 Hoyt Split Limb Bows with their patented 3/4" spacing, this new design allows easy installation without requiring additional brackets. The LimbSaver AlphaShox fits snugly between Hoyt's split limbs, demolishing any excess vibration and noise. The result? An absolute smoother,quieter, more accurate shot, every shot! The LimbSaver AlphaShox strategic design is incredibly sleek and low profile, and allows for 10 full linear inches of NAVCOM material. The innovative design also allows the NAVCOM to work independently, which more efficiently and effectively cancels excess vibration and noise. Available in black or our new Integrated NAVCOM camo. Sims Vibration Labs AlphaShox LimbSavers.