VibWrite Finger Vibration System Turns Doors Into Touchpads IEEE Spectrum Finger Twitching Vs. Tremors & Their Causes Cala Health ToolBox Talk #42: HAND ARM VIBRATION SYNDROME (HAVS) As the majority of our operations involves working with our hands in some capacity whether it is hitting a hammer, using power tools, Vibration white finger (VWF): Definition, symptoms, and treatment My fingers are involuntary but sometimes they flicker so much. What might be the reason. From fingers to toes, wearable and vibrating technology could help Parkinson's patients