{TAIL ~ The eccentric ring} and shaft are encapsulated by {HEAD ~ the ball}, the ball material passing through and around the eccentric ring and shaft 
{ TAIL ~ The eccentric ring } and shaft are encapsulated by { HEAD ~ the ball } , the ball material passing through and around the eccentric ring and shaft
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH