Further, {HEAD ~ user input} is received from {TAIL ~ the foot based interface} and mapped into a command 
is received from
Further , { HEAD ~ user input } is received from { TAIL ~ the foot based interface } and mapped into a command
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH