{TAIL ~ An input device} includes a supporting unit which is provided with first shafts, and a rotating unit is connected to {HEAD ~ the first shafts} in a rotatable manner 
{ TAIL ~ An input device } includes a supporting unit which is provided with first shafts , and a rotating unit is connected to { HEAD ~ the first shafts } in a rotatable manner
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH