Wicked Ridge String Dampening System (SDS)
Wicked Ridge String Dampening System (SDS) Reduces string vibration and noise level Micro-adjustable dampening rods with high-impact rubber dampeners Compatible with Wicked Ridge Invader 400 and X4, Ranger X2, Rampage 360, and Warrior Ultra-Lite models Not compatible with Wicked Ridge Invader, Invader G3 or HP, M-370, Raider CLS, Ranger or Lady Ranger, RDX 400, Warrior, or Warrior G3 or HL crossbows.