The intermediate member is connected to {HEAD ~ a driven member}, for example, for adjusting a brake, or for acting as {TAIL ~ a part} of a ratchet wrench 
The intermediate member is connected to { HEAD ~ a driven member } , for example , for adjusting a brake , or for acting as { TAIL ~ a part } of a ratchet wrench
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH