{HEAD ~ a sprag retainer} in said annular space comprising {TAIL ~ axially spaced rings} joined by cross bars, each adjacent pair of cross bars defining an opening in which a footed portion of a sprag is received 
comprising
{ HEAD ~ a sprag retainer } in said annular space comprising { TAIL ~ axially spaced rings } joined by cross bars , each adjacent pair of cross bars defining an opening in which a footed portion of a sprag is received
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH