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 Method of scoring the areas of the digits affected by blanching, Download Scientific Diagram 5 Signs You May Be Developing Vibration White Finger Useful Facts on Vibration White Finger Raynaud's Association Vibration White Finger Symptoms