{HEAD ~ A fixed bracket} is mounted to {TAIL ~ the bottom} of the spindle, and an adjustable bracket is mounted about the adjustable collar 
is mounted to
{ HEAD ~ A fixed bracket } is mounted to { TAIL ~ the bottom } of the spindle , and an adjustable bracket is mounted about the adjustable collar
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH