Referring now to FIG 7, there is illustrated another embodiment of {HEAD ~ the device} of {TAIL ~ the invention} 
of
Referring now to FIG 7 , there is illustrated another embodiment of { HEAD ~ the device } of { TAIL ~ the invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL