{TAIL ~ A second set} of sprags on {HEAD ~ the intermediate member cooperates} with clutch teeth on a fixed member to prevent retrograde movement 
{ TAIL ~ A second set } of sprags on { HEAD ~ the intermediate member cooperates } with clutch teeth on a fixed member to prevent retrograde movement
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH