The other half of the socket is formed by a jaw plate also having {HEAD ~ a concave, circular toothed depression} positioned on {TAIL ~ the opposite side} of the ball to the clamp plate extension 
positioned on
The other half of the socket is formed by a jaw plate also having { HEAD ~ a concave , circular toothed depression } positioned on { TAIL ~ the opposite side } of the ball to the clamp plate extension
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH