{TAIL ~ The ball} is attached to a shaft which is, in turn, attached to {HEAD ~ an ultimate support mount} 
{ TAIL ~ The ball } is attached to a shaft which is , in turn , attached to { HEAD ~ an ultimate support mount }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD