{TAIL ~ A proposition} is to provide a wearable display suitable for enjoying contents including {HEAD ~ images} by plural users simultaneously 
{ TAIL ~ A proposition } is to provide a wearable display suitable for enjoying contents including { HEAD ~ images } by plural users simultaneously
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH