The present invention relates to {HEAD ~ synchronized vibration devices} that can provide {TAIL ~ haptic feedback} to a user 
provide
The present invention relates to { HEAD ~ synchronized vibration devices } that can provide { TAIL ~ haptic feedback } to a user
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH