Another object of the present invention is to provide {HEAD ~ a gym unit} for {TAIL ~ exercise purpose} 
Another object of the present invention is to provide { HEAD ~ a gym unit } for { TAIL ~ exercise purpose }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL