He’s tracking the hands with a depth sensor camera to detect finger pointing, and then providing haptic ... Using Electrical Muscle Stimulation as Haptic Feedback for 3D Virtual Hand Pointing.

Pointing a finger work much better than using pointed arrows Date: May 2, 2012 Source: University of Lincoln Summary: Images of pointing fingers are much better at diverting people's attention ...

Pointing at a person with any finger is rude. Gestures that use your whole hand or a clear verbal description — such as a name — are always preferred.

Place the other hand directly at right angles across the knuckles. Lift the wrist and fingers of the bottom hand while pressing down with the top hand. Hold for 5 seconds, then relax. Repeat 10 times.