{TAIL ~ The present invention} can be used for many places provided with {HEAD ~ an overhead traveling cane} 
{ TAIL ~ The present invention } can be used for many places provided with { HEAD ~ an overhead traveling cane }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD