What is Hand Arm Vibration Syndrome (HAVS) and how to prevent it Vibration White Finger Harris & Green Manifesting as tingling and numbness through to manual dexterity loss and dreaded Vibration White Finger (VWF) Hand Arm Vibration Syndrome (HAVS), both secondary forms of Raynaud's syndrome, where vibration induced spasming of small Figure 1 from Attenuation of hand held machine vibrations. Application of non linear tuned vibration absorber Semantic Scholar