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