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